HJ 597-2011 in English

VALID

Water quality—Determination of Total mercury—Cold atomic absorption spectrophotometry

Issued on:2011-02-10
Implemented on:2011-06-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $180.00
$175.00

Standard No:	HJ 597-2011
Document status:	VALID
Title in English:	Water quality—Determination of Total mercury—Cold atomic absorption spectrophotometry
Title in Chinese:	水质总汞的测定冷原子吸收分光光度法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2011-02-10
Implemented on:	2011-06-01
Superseding:	GB/T 7468-1987 Water quality; Determination of total mercury; Cold atomic absorption spectrophotometry
Professional Classification:	HJ-Environment
Related Keywords:	water quality determination total mercury cold cold atomic absorption spectrophotometry method total mercury atomic absorption spectrophotometry
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本标准规定了测定水中总汞的冷原子吸收分光光度法。
本标准适用于地表水、地下水、工业废水和生活污水中总汞的测定。若有机物含量较高，本标准规定的消解试剂最大用量不足以氧化样品中有机物时，则本标准不适用。

Scope

Warning: Potassium dichromate, mercury, and their compounds are highly toxic. When handling them, enhanced ventilation should be ensured, and operators must wear protective equipment to avoid contact with skin and clothing.
This standard specifies the cold atomic absorption spectrophotometry method for determining total mercury in water.
The standard is applicable for measuring total mercury in surface water, groundwater, industrial wastewater, and domestic sewage. If the organic matter content is high, this standard's specified maximum amount of digestion reagents may be insufficient to oxidize the organic matter in the sample; in such cases, this standard does not apply.
When a sample volume of 100 ml is used, the detection limit is 0.02 ?g/L and the determination lower limit is 0.08 ?g/L using potassium permanganate-peroxodisulfuric acid digestion or potassium bromate-bromide digestion methods; for a sample volume of 200 ml, the detection limit is 0.01?g/L, and the determination lower limit is 0.04?g/L. When using microwave digestion with a sample volume of 25 ml, the detection limit is 0.06 ?g/L and the determination lower limit is 0.24 ?g/L.

More samples: GB 18306-2015 DL/T 5154-2012 GB 50021-2001(2009)

Sample only — not a preview of HJ 597-2011