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Database: 189760 (18 Oct 2025)
HJ/T 343-2007 English PDF
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HJ/T 343-2007
: Water quality. Determination of chloride-mercury nitrate titration
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HJ/T 343-2007
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Water quality. Determination of chloride-mercury nitrate titration
Valid
HJ/T 343-2007
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Basic data
Standard ID
HJ/T 343-2007 (HJ/T343-2007)
Description (Translated English)
Water quality. Determination of chloride-mercury nitrate titration
Sector / Industry
Environmental Protection Industry Standard (Recommended)
Classification of Chinese Standard
Z50
Classification of International Standard
13.060
Word Count Estimation
8,848
Date of Issue
2007-03-10
Date of Implementation
2007-05-01
Regulation (derived from)
SEPA Notice No. 21 of 2007
Issuing agency(ies)
Ministry of Ecology and Environment
Summary
This standard applies to general surface water and groundwater in the determination of chloride and after pretreatment, can eliminate the interference of other types of waste Determination of chloride in water samples. This method is suitable for mass concentration range of 2. 5 ~ 500mg/L. Had selected a representative rivers, lakes and reservoirs of water on surface water samples tested this Act usability. Statistics show that 13 measurement results, the chloride ion concentration range of 2 ~ 290mg/L, the relative standard deviation of 0. 03% ~ 3. 37%, the recovery rate from 86% to 102. 33%.