GBT 11900-1989 水质 痕量砷的测定 硼氢化钾-硝酸银
GB 11900-1989 水质 痕量砷的测定 硼氢化钾-硝酸银分光光度法@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{}div.Section0{page:Section0;}本标准规定了用新银盐分光光度法测定地面水、地下水和饮用水中痕量砷，取250m l,试料3.00mL吸收液，用10m m比色皿，本方法最低检出浓度为0.4pg/L,测定上限为12ug/L 查看PDF
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