HJT 342-2007 水质 硫酸盐的测定 铬酸钡分光光度法
@font-face{font-family:"Times New Roman";}@font-face{font-family:"宋体";}@font-face{font-family:"Calibri";}p.MsoNormal{mso-style-name:正文;mso-style-parent:"";margin:0pt;margin-bottom:.0001pt;mso-pagination:none;text-align:justify;text-justify:inter-ideograph;font-family:Calibri;mso-fareast-font-family:宋体;mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;}span.msoIns{mso-style-type:export-only;mso-style-name:"";text-decoration:underline;text-underline:single;color:blue;}span.msoDel{mso-style-type:export-only;mso-style-name:"";text-decoration:line-through;color:red;}@page{mso-page-border-surround-header:no;mso-page-border-surround-footer:no;}@page Section0{margin-top:72.0000pt;margin-bottom:72.0000pt;margin-left:90.0000pt;margin-right:90.0000pt;size:595.3000pt 841.9000pt;layout-grid:15.6000pt;}div.Section0{page:Section0;}HJ/T 342-2007 水质 硫酸盐的测定 铬酸钡分光光度法（试行）本标准使用于一般地表水，地下水中含量低硫酸盐的测定。本方法适用的质量浓度范围为8～200mg/L。本方法经取13个河、湖水样品进行检验，测定质量范围为8～85mg/L，相对标准偏差0.15%～7%，加标回收率97.9%～106.8%。 查看PDF
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