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HJ 550-2015Water quality. Determination of cobalt. 5-Cl-PADAB Spectrophotometry (English PDF)

水质钴的测定 5-氯-2-（吡啶偶氮）-1 3-二氨基苯分光光度法（发布稿）

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Issued by

Ministry of Ecology and Environment

Level / Type

National · Mandatory

Issue date

April 3, 2015

Implementation date

July 1, 2015

Scope

HJ 550-2015 is the English-translated version of 水质钴的测定 5-氯-2-（吡啶偶氮）-1 3-二氨基苯分光光度法（发布稿）.

HJ 550-2015 — This standard specifies the determination of dissolved cobalt and total cobalt in water 5-chloro-2- (pyridylazo) -1,3-diaminobenzene spectrophotometry law.

This standard applies to the determination of cobalt in surface water, industrial waste water and domestic sewage. When the sampling volume of 20.0ml, the detection limit of 0.009mg/L, the determination of the lower limit of 0.036mg/L, determination of the upper limit is 0.500mg/L.

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Document preview — HJ 550-2015

National Standard of the People's Republic of China

ICS: 13.060
Classification: Z 16
Replacing: HJ 550-2009

Issued by: Ministry of Ecology and Environment

What this standard covers1
Document data2
Standards quoted by this document3

What this standard covers

This Standard specifies the determination of total dissolved cobalt and cobalt-state 5-chloro-2- (pyridyl) -1, 3-diaminobenzene spectrophotometry. This Standard applies to surface water, industrial wastewater and domestic sewage determination of cobalt. When the sample volume is 20.0ml, method detection limit of 0.009 mg/L, detection limit of 0.036mg/L, measured upper limit is 0.500mg/L.

Document data

International classification (ICS): 13.060.

Chinese classification (CCS): Z16.

Estimated length of the Chinese original: 9,992 words.

Supersedes the earlier edition HJ 550-2009.

Standards quoted by this document

HJ/T 91

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 7 pages — is available in the English PDF.

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