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GB/T 11889-1989Water quality. Determination of aniline compounds. Spectrophotometric method with N-(1-naphthyl) ethylenediamine (English PDF)

水质苯胺类化合物的测定 N-(1-萘基)乙二胺偶氮分光光度法

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

November 3, 1989

Implementation date

July 1, 1990

Scope

GB/T 11889-1989 is the English-translated version of 水质苯胺类化合物的测定 N-(1-萘基)乙二胺偶氮分光光度法.

GB/T 11889-1989 — This standard specifies the Determination of aniline compound N-(1 - naphthyl) ethylenediamine diazo coupling colorimetry. This standard applies to the determination of surface water, dyes, pharmaceuticals and other wastewater aromatic primary amines.

The sample volume is 25mL, using the optical path of the cuvette than 10mm, the standard minimum detectable concentration of aniline 0. 03mg/L, the upper limit of the concentration measured 1. 6mg/L.

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Document preview — GB/T 11889-1989

National Standard of the People's Republic of China

ICS: 13.060.01
Classification: Z 16

What this standard covers1
Document data2

What this standard covers

This standard specifies the Determination of aniline compound N-(1 - naphthyl) ethylenediamine diazo coupling colorimetry. This standard applies to the determination of surface water, dyes, pharmaceuticals and other wastewater aromatic primary amines. The sample volume is 25mL, using the optical path of the cuvette than 10mm, the standard minimum detectable concentration of aniline 0. 03mg/L, the upper limit of the concentration measured 1. 6mg/L. Under acidic conditions, the determination of phenol content than 200mg/L, the standard of the positive interference.

Document data

International classification (ICS): 13.060.01.

Chinese classification (CCS): Z16.

Estimated length of the Chinese original: 5,578 words.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 4 pages — is available in the English PDF.

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