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GB/T 11889-1989 English PDF

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GB/T 11889-1989: Water quality. Determination of aniline compounds. Spectrophotometric method with N-(1-naphthyl) ethylenediamine
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GB/T 11889-1989English179 Add to Cart 2 days [Need to translate] Water quality. Determination of aniline compounds. Spectrophotometric method with N-(1-naphthyl) ethylenediamine   GB/T 11889-1989

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Basic data

Standard ID GB/T 11889-1989 (GB/T11889-1989)
Description (Translated English) Water quality. Determination of aniline compounds. Spectrophotometric method with N-(1-naphthyl) ethylenediamine
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard Z16
Classification of International Standard 13.060.01
Word Count Estimation 5,530
Date of Issue 11/3/1989
Date of Implementation 7/1/1990
Summary 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.


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