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HJ/T 342-2007Water quality. Determination of sulfate-barium chromate spectrophotometry (English PDF)

水质硫酸盐的测定铬酸钡分光光度法

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Issued by

Ministry of Ecology and Environment

Level / Type

National · Recommended

Issue date

March 10, 2007

Implementation date

May 1, 2007

Scope

HJ/T 342-2007 is the English-translated version of 水质硫酸盐的测定铬酸钡分光光度法.

HJ/T 342-2007 — This standard applies to general surface water and groundwater in the determination of low levels of sulfate. This method is suitable for mass concentration range of 8 ~ 200mg/L. This method has been to take 13 river, lake samples tested to determine the concentration range of 8 ~ 85mg/L, the relative standard deviation of 0. 15% to 7%, the recovery rate 97. 9% ~ 106.

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Document preview — HJ/T 342-2007

National Standard of the People's Republic of China

ICS: 13.060
Classification: Z 50

Issued by: Ministry of Ecology and Environment

What this standard covers1
Document data2

What this standard covers

This standard applies to general surface water and groundwater in the determination of low levels of sulfate. This method is suitable for mass concentration range of 8 ~ 200mg/L. This method has been to take 13 river, lake samples tested to determine the concentration range of 8 ~ 85mg/L, the relative standard deviation of 0. 15% to 7%, the recovery rate 97. 9% ~ 106. 8%.

Document data

International classification (ICS): 13.060.

Chinese classification (CCS): Z50.

Estimated length of the Chinese original: 7,779 words.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 5 pages — is available in the English PDF.

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