HJT 342-2007 水質 硫酸鹽的測定 鉻酸鋇分光光度法
@font-face{font-family:"Times New Roman";}@font-face{font-family:"宋體";}@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:宋體;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 水質 硫酸鹽的測定 鉻酸鋇分光光度法（試行）本標準使用于一般地表水，地下水中含量低硫酸鹽的測定。本方法適用的質量濃度范圍為8～200mg/L。本方法經取13個河、湖水樣品進行檢驗，測定質量范圍為8～85mg/L，相對標準偏差0.15%～7%，加標回收率97.9%～106.8%。 查看PDF
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