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class="slt_ms"><p><span>關(guān)鍵詞：</span>油分濃度</p></div> <div id="bd8lmiie" class="slt_ms"><p><span>概述：</span>關(guān)于水質(zhì)石油類(lèi)，國家標準“水質(zhì) 石油類(lèi)和動(dòng)植物油類(lèi)的測定紅外分光光度法”（HJ637-2018）中定義了油類(lèi)：油類(lèi)：指在PH≤2的條件下，能夠被四氯乙烯萃取且在波數為2930 cm-1、2960 cm-1、3030 cm-1處有特征吸收的物質(zhì)，主要包括石油類(lèi)和動(dòng)植物油類(lèi)。</p></div> <div id="bd8lmiie" class="slt_btn"><a target="_blank"><img src="/skins/280464/images/down_icon.png" />下載方案</a></div> <p style="text-align:center;line-height:150%;" align="center"><strong><span><span style="font-size:17.5pt;">SN-OIL8C</span></span></strong><strong><span><span style="font-family:宋體;"><span style="font-size:17.5pt;">型紅外測油儀在水質(zhì)油類(lèi)測定中的應用</span></span></span></strong></p><p style="text-align:center;line-height:150%;" align="center"> </p><p style="text-align:left;"><strong><span><span style="font-family:宋體;">一、關(guān)于水質(zhì)石油類(lèi)</span></span></strong></p><p style="text-align:left;text-indent:21.0pt;line-height:150%;" align="left"><span><span style="font-family:宋體;">國家標準</span></span><span>“</span><span><span style="font-family:宋體;">水質(zhì)</span></span> <span><span style="font-family:宋體;">石油類(lèi)和動(dòng)植物油類(lèi)的測定</span></span> <span><span style="font-family:宋體;">紅外分光光度法</span></span><span>”</span><span><span style="font-family:宋體;">（</span></span><span>HJ637-2018</span><span><span style="font-family:宋體;">）中定義了油類(lèi)：</span></span></p><p style="text-align:left;text-indent:21.0pt;line-height:150%;" align="left"><span><span style="font-family:宋體;">油類(lèi)：指在</span></span><span>PH≤2</span><span><span style="font-family:宋體;">的條件下，能夠被四氯乙烯萃取且在波數為</span></span><span>2930 cm-1</span><span><span style="font-family:宋體;">、</span></span><span>2960 cm-1</span><span><span style="font-family:宋體;">、</span></span><span>3030 cm-1</span><span><span style="font-family:宋體;">處有特征吸收的物質(zhì)，主要包括石油類(lèi)和動(dòng)植物油類(lèi)。</span></span></p><p style="text-align:left;line-height:150%;" align="left"> </p><p style="text-align:left;line-height:150%;" align="left"><strong><span><span style="font-family:宋體;">二、關(guān)于</span></span></strong><strong><span>SN-OIL8C </span></strong><strong><span><span style="font-family:宋體;">紅外測油儀</span></span></strong></p><p style="text-indent:21.0pt;line-height:150%;"><span><span style="color:black;">SN-OIL8C</span></span><span><span style="color:black;"><span style="font-family:宋體;">型紅外測油儀采用紅外分光光度測量，對樣品進(jìn)行單色光譜掃描，可顯示并打印樣品光譜及吸收峰的波數位置，能測量出樣品中油份濃度。儀器適用于地面水、地下水、生活污水、工業(yè)廢水、油類(lèi)（石油類(lèi)和動(dòng)植物油）含量的測定。</span></span></span></p><p style="text-align:left;line-height:150%;" align="left"> </p><p style="text-align:left;line-height:150%;" align="left"><strong><span><span style="font-family:宋體;">三、</span></span></strong><strong><span>SN-OIL8C </span></strong><strong><span><span style="font-family:宋體;">紅外測油儀測量油類(lèi)含量</span></span></strong></p><p style="text-align:left;line-height:150%;" align="left"><strong><span>3.1</span></strong><strong><span><span style="font-family:宋體;">準備工作：</span></span></strong></p><p style="line-height:150%;"><strong><span>3.1.1</span></strong><strong><span><span style="font-family:宋體;">紅外測油儀實(shí)驗所需試劑</span></span></strong></p><table style="border-collapse:collapse;border:none;" width="601" cellspacing="0" cellpadding="0" border="1" align="center"> <tbody> <tr style="height:30px;"> <td style="width:122px;border:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt;height:30px;"> <p style="text-align:left;line-height:150%;" align="left"><strong><span><span style="font-family:宋體;">測油儀</span></span></strong></p> </td> <td style="width:167px;border:solid windowtext 1.0pt;border-left:none;padding:0cm 5.4pt 0cm 5.4pt;height:30px;"> <p style="text-align:left;line-height:150%;" align="left"><strong><span><span style="font-family:宋體;">用途</span></span></strong></p> </td> <td style="width:120px;border:solid windowtext 1.0pt;border-left:none;padding:0cm 5.4pt 0cm 5.4pt;height:30px;"> <p style="text-align:left;line-height:150%;" align="left"><strong><span><span style="font-family:宋體;">級別</span></span></strong></p> </td> <td style="width:192px;border:solid windowtext 1.0pt;border-left:none;padding:0cm 5.4pt 0cm 5.4pt;height:30px;"> <p style="text-align:left;line-height:150%;" align="left"><strong><span><span style="font-family:宋體;">備注</span></span></strong></p> </td> </tr> <tr style="height:19px;"> <td style="width:122px;border:solid windowtext 1.0pt;border-top:none;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span><span style="font-family:宋體;">油標樣</span></span></p> </td> <td style="width:167px;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span><span style="font-family:宋體;">制作標準曲線(xiàn)</span></span></p> </td> <td style="width:120px;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"> </p> </td> <td style="width:192px;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span><span style="font-family:宋體;">使用需制作曲線(xiàn)</span></span></p> </td> </tr> <tr style="height:19px;"> <td style="width:122px;border:solid windowtext 1.0pt;border-top:none;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span><span style="font-family:宋體;">四氯乙烯</span></span></p> </td> <td style="width:167px;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span><span style="font-family:宋體;">空白調零、清洗器皿及油分萃取</span></span></p> </td> <td style="width:120px;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span><span style="font-family:宋體;">環(huán)保級</span></span></p> </td> <td style="width:192px;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"> </p> </td> </tr> <tr style="height:19px;"> <td style="width:122px;border:solid windowtext 1.0pt;border-top:none;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span><span style="font-family:宋體;">無(wú)水硫酸鈉（</span></span><span>Na2SO4</span><span><span style="font-family:宋體;">）</span></span></p> </td> <td style="width:167px;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span><span style="font-family:宋體;">萃取水樣后除水</span></span></p> </td> <td style="width:120px;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span><span style="font-family:宋體;">分析純</span></span></p> </td> <td style="width:192px;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span><span style="font-family:宋體;">高溫爐內</span></span><span>500℃</span><span><span style="font-family:宋體;">加熱</span></span><span>4h</span><span><span style="font-family:宋體;">，冷卻后裝入磨口玻璃瓶中，干燥器內保存</span></span></p> </td> </tr> </tbody></table><div style="clear:both;"> </div><p style="line-height:150%;"><strong>3.1.2</strong><strong><span><span style="font-family:宋體;">紅外測油儀實(shí)驗所需器材</span></span></strong></p><table style="border-collapse:collapse;border:none;" cellspacing="0" cellpadding="0" border="1" align="center"> <tbody> <tr style="height:30px;"> <td style="width:140px;border:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt;height:30px;"> <p style="text-align:left;line-height:150%;" align="left"><strong><span><span style="font-family:宋體;">測油儀實(shí)驗</span></span></strong></p> </td> <td style="width:89px;border:solid windowtext 1.0pt;border-left:none;padding:0cm 5.4pt 0cm 5.4pt;height:30px;"> <p style="text-align:left;line-height:150%;" align="left"><strong><span><span style="font-family:宋體;">數量</span></span></strong></p> </td> <td style="width:372px;border:solid windowtext 1.0pt;border-left:none;padding:0cm 5.4pt 0cm 5.4pt;height:30px;"> <p style="text-align:left;line-height:150%;" align="left"><strong><span><span style="font-family:宋體;">備注</span></span></strong></p> </td> </tr> <tr style="height:19px;"> <td style="width:140px;border:solid windowtext 1.0pt;border-top:none;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span>100ml</span><span><span style="font-family:宋體;">燒杯</span></span></p> </td> <td style="width:89px;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span>2-3</span><span><span style="font-family:宋體;">個(gè)</span></span></p> </td> <td style="width:372px;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"> </p> </td> </tr> <tr style="height:19px;"> <td style="width:140px;border:solid windowtext 1.0pt;border-top:none;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span>5ml</span><span><span style="font-family:宋體;">注射器</span></span></p> </td> <td style="width:89px;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span>1</span><span><span style="font-family:宋體;">只</span></span></p> </td> <td style="width:372px;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span><span style="font-family:宋體;">吸取安剖瓶盛裝的油標樣</span></span></p> </td> </tr> <tr style="height:19px;"> <td style="width:140px;border:solid windowtext 1.0pt;border-top:none;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span>5ml</span><span><span style="font-family:宋體;">移液管</span></span></p> </td> <td style="width:89px;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span>1-2</span><span><span style="font-family:宋體;">只</span></span></p> </td> <td style="width:372px;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"> </p> </td> </tr> <tr style="height:19px;"> <td style="width:140px;border:solid windowtext 1.0pt;border-top:none;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span>10ml</span><span><span style="font-family:宋體;">移液管</span></span></p> </td> <td style="width:89px;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span>1</span><span><span style="font-family:宋體;">只</span></span></p> </td> <td style="width:372px;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"> </p> </td> </tr> <tr style="height:19px;"> <td style="width:140px;border:solid windowtext 1.0pt;border-top:none;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span>15ml</span><span><span style="font-family:宋體;">移液管</span></span></p> </td> <td style="width:89px;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span>1</span><span><span style="font-family:宋體;">只</span></span></p> </td> <td style="width:372px;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"> </p> </td> </tr> <tr style="height:19px;"> <td style="width:140px;border:solid windowtext 1.0pt;border-top:none;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span>50ml</span><span><span style="font-family:宋體;">容量瓶</span></span></p> </td> <td style="width:89px;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span>6</span><span><span style="font-family:宋體;">個(gè)</span></span></p> </td> <td style="width:372px;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span><span style="font-family:宋體;">制備標樣</span></span></p> </td> </tr> <tr style="height:19px;"> <td style="width:140px;border:solid windowtext 1.0pt;border-top:none;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span>1000ml</span><span><span style="font-family:宋體;">量筒</span></span></p> </td> <td style="width:89px;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span>1</span><span><span style="font-family:宋體;">個(gè)</span></span></p> </td> <td style="width:372px;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span><span style="font-family:宋體;">量取水樣</span></span></p> </td> </tr> <tr style="height:19px;"> <td style="width:140px;border:solid windowtext 1.0pt;border-top:none;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span>100ml</span><span><span style="font-family:宋體;">量筒</span></span></p> </td> <td style="width:89px;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span>1</span><span><span style="font-family:宋體;">個(gè)</span></span></p> </td> <td style="width:372px;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span><span style="font-family:宋體;">量取四氯乙烯</span></span></p> </td> </tr> <tr style="height:19px;"> <td style="width:140px;border:solid windowtext 1.0pt;border-top:none;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span>1000ml</span><span><span style="font-family:宋體;">分液漏斗</span></span></p> </td> <td style="width:89px;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span>1</span><span><span style="font-family:宋體;">個(gè)</span></span></p> </td> <td style="width:372px;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"> </p> </td> </tr> <tr style="height:19px;"> <td style="width:140px;border:solid windowtext 1.0pt;border-top:none;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span><span style="font-family:宋體;">分液漏斗架</span></span></p> </td> <td style="width:89px;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span>1</span><span><span style="font-family:宋體;">個(gè)</span></span></p> </td> <td style="width:372px;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"> </p> </td> </tr> <tr style="height:19px;"> <td style="width:140px;border:solid windowtext 1.0pt;border-top:none;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span><span style="font-family:宋體;">廢液桶</span></span></p> </td> <td style="width:89px;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span>1</span><span><span style="font-family:宋體;">個(gè)</span></span></p> </td> <td style="width:372px;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span><span style="font-family:宋體;">盛放四氯乙烯廢液</span></span></p> </td> </tr> <tr style="height:19px;"> <td style="width:140px;border:solid windowtext 1.0pt;border-top:none;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span><span style="font-family:宋體;">電腦</span></span></p> </td> <td style="width:89px;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span>1</span><span><span style="font-family:宋體;">臺</span></span></p> </td> <td style="width:372px;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt;height:19px;"> <p style="text-align:left;line-height:150%;" align="left"><span><span style="font-family:宋體;">臺式機或筆記本電腦皆可，</span></span><span>XP/WIN7/WIN10</span><span><span style="font-family:宋體;">系統皆可，需要有</span></span><span>RS232</span><span><span style="font-family:宋體;">的</span></span><span>9</span><span><span style="font-family:宋體;">針接口（若無(wú)則需另外準備</span></span><span>1</span><span><span style="font-family:宋體;">根</span></span><span>RS232</span><span><span style="font-family:宋體;">轉</span></span><span>USB</span><span><span style="font-family:宋體;">的轉換線(xiàn)）</span></span></p> </td> </tr> </tbody></table><div style="clear:both;"> </div><p style="line-height:150%;"><strong><span>3.2</span></strong><strong><span><span style="font-family:宋體;">、制作標樣：</span></span></strong></p><p style="line-height:150%;"><span>3.2.1</span><span><span style="font-family:宋體;">用純凈的四氯乙烯清洗所有需要用到的器皿。</span></span></p><p style="line-height:150%;"><span>3.2.2</span><span><span style="font-family:宋體;">取</span></span><span>5mL</span><span><span style="font-family:宋體;">的濃度為</span></span><span>1000mg/L</span><span><span style="font-family:宋體;">的油標樣，倒入</span></span><span>50mL</span><span><span style="font-family:宋體;">的容量瓶中，用四氯乙烯定容，得到濃度為</span></span><span>100mg/L</span><span><span style="font-family:宋體;">的中間液。</span></span></p><p style="line-height:150%;"><span>3.2.3</span><span><span style="font-family:宋體;">然后分別量取中間液</span></span><span>2mL</span><span><span style="font-family:宋體;">、</span></span><span>4mL</span><span><span style="font-family:宋體;">、</span></span><span>8mL</span><span><span style="font-family:宋體;">、</span></span><span>10 mL</span><span><span style="font-family:宋體;">、</span></span><span>15 mL</span><span><span style="font-family:宋體;">分別倒入</span></span><span>50mL</span><span><span style="font-family:宋體;">的容量瓶中，定容后得到濃度分別為</span></span><span>4 mg/L</span><span><span style="font-family:宋體;">、</span></span><span>8 mg/L</span><span><span style="font-family:宋體;">、</span></span><span>16 mg/L</span><span><span style="font-family:宋體;">、</span></span><span>20mg/L</span><span><span style="font-family:宋體;">、</span></span><span>30mg/L</span><span><span style="font-family:宋體;">的標樣，靜置待測。</span></span></p><p style="line-height:150%;"><strong><span>3.3</span></strong><strong><span><span style="font-family:宋體;">、測量標樣：</span></span></strong></p><p style="line-height:150%;"><span>3.3.1</span><span><span style="font-family:宋體;">用純凈的四氯乙烯清洗比色皿。</span></span></p><p style="line-height:150%;"><span>3.3.2</span><span><span style="font-family:宋體;">將純凈的四氯乙烯倒入比色皿，然后空白調零。</span></span></p><p style="line-height:150%;"><span>3.3.3</span><span><span style="font-family:宋體;">將</span></span><span>4mg/L</span><span><span style="font-family:宋體;">的標樣倒入比色皿，然后將比色皿放入比色池，點(diǎn)擊</span></span><span>“</span><span><span style="font-family:宋體;">測量樣品</span></span><span>”</span><span><span style="font-family:宋體;">。</span></span></p><p style="line-height:150%;"><span>3.3.4</span><span><span style="font-family:宋體;">手動(dòng)或自動(dòng)保存結果。</span></span></p><p style="line-height:150%;"><span style="text-align: center;">3.3.5</span><span style="text-align: center; font-family: 宋體;">依次測量</span><span style="text-align: center;">8 mg/L</span><span style="text-align: center; font-family: 宋體;">、</span><span style="text-align: center;">16 mg/L</span><span style="text-align: center; font-family: 宋體;">、</span><span style="text-align: center;">20mg/L</span><span style="text-align: center; font-family: 宋體;">、</span><span style="text-align: center;">30mg/L</span><span style="text-align: center; font-family: 宋體;">的標樣，并保存結果。</span></p><p style="line-height:150%;"><strong><span>3.4</span></strong><strong><span><span style="font-family:宋體;">、制作曲線(xiàn)：</span></span></strong></p><p style="line-height:150%;"><span>3.4.1</span><span><span style="font-family:宋體;">點(diǎn)擊左上角的線(xiàn)性回歸菜單。</span></span></p><p style="line-height:150%;"><span>3.4.2</span><span><span style="font-family:宋體;">在新窗口中依次輸入標樣濃度，然后點(diǎn)擊</span></span><span>OPEN</span><span><span style="font-family:宋體;">，選擇對應的濃度文件，點(diǎn)擊確定。</span></span></p><p style="line-height:150%;"><span>3.4.3</span><span><span style="font-family:宋體;">將數據補充完整。</span></span></p><p style="line-height:150%;"><span>3.4.4</span><span><span style="font-family:宋體;">然后點(diǎn)擊</span></span><span>“</span><span><span style="font-family:宋體;">計算</span></span><span>”</span><span><span style="font-family:宋體;">。</span></span></p><p style="line-height:150%;"><span>3.4.5</span><span><span style="font-family:宋體;">觀(guān)察相關(guān)系數</span></span><span>R</span><span><span style="font-family:宋體;">值是否大于</span></span><span>0.999</span><span><span style="font-family:宋體;">，大于則可使用。</span></span></p><p style="line-height:150%;"><span>3.4.6</span><span><span style="font-family:宋體;">點(diǎn)擊</span></span><span>“</span><span><span style="font-family:宋體;">存入備份文件</span></span><span>”</span><span><span style="font-family:宋體;">，然后輸入名稱(chēng)，點(diǎn)擊確認保存。</span></span></p><p style="line-height:150%;"><span>3.4.7</span><span><span style="font-family:宋體;">然后從標準曲線(xiàn)文件中選擇該曲線(xiàn)，然后點(diǎn)擊</span></span><span>“</span><span><span style="font-family:宋體;">使用該曲線(xiàn)</span></span><span>”</span><span><span style="font-family:宋體;">。</span></span></p><p style="line-height:150%;"><strong><span>3.5</span></strong><strong><span><span style="font-family:宋體;">、測量樣品：</span></span></strong></p><p style="line-height:150%;"><span>3.5.1</span><span><span style="font-family:宋體;">設定萃取比：輸入水樣體積和試劑體積后，點(diǎn)擊計算萃取比。</span></span></p><p style="line-height:150%;"><span>3.5.2</span><span><span style="font-family:宋體;">設置稀釋倍數：</span></span></p><p style="line-height:150%;"><span>3.5.3</span><span><span style="font-family:宋體;">其他步驟和測量標樣相同。取萃取液，加入無(wú)水硫酸鈉除水后，倒入比色皿中進(jìn)行測量。</span></span></p><p style="line-height:150%;"><span>3.5.4</span><span><span style="font-family:宋體;">測量結果：</span></span></p><p style="text-indent:21.0pt;line-height:150%;"><span><span style="font-family:宋體;">測量的質(zhì)控樣油分濃度為</span></span><span>25.21mg/L</span><span><span style="font-family:宋體;">，測量結果為</span></span><span>24.850mg/L</span><span><span style="font-family:宋體;">，誤差為</span></span><span>1.43%</span><span><span style="font-family:宋體;">，該質(zhì)控樣濃度大于</span></span><span>10mg/L</span><span><span style="font-family:宋體;">，小于</span></span><span>80mg/L</span><span><span 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