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GB/T 223.51-1987 English PDF

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GB/T 223.51-1987: Methods for chemical analysis of iron, steel and alloy. The 2-(5-Bromo-2-pyridylazo)-5-diethylaminophenol photometric method for the determination of zinc content
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GB/T 223.51-1987English159 Add to Cart 2 days [Need to translate] Methods for chemical analysis of iron, steel and alloy. The 2-(5-Bromo-2-pyridylazo)-5-diethylaminophenol photometric method for the determination of zinc content   GB/T 223.51-1987

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Basic data

Standard ID GB/T 223.51-1987 (GB/T223.51-1987)
Description (Translated English) Methods for chemical analysis of iron, steel and alloy. The 2-(5-Bromo-2-pyridylazo)-5-diethylaminophenol photometric method for the determination of zinc content
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H11
Classification of International Standard 77.08
Word Count Estimation 4,469
Date of Issue 5/12/1987
Date of Implementation 3/1/1988
Adopted Standard ��OCT 12362-1979
Issuing agency(ies) Ministry of Metallurgical Industry
Summary This standard applies to iron and steel, high temperature alloy, precision alloy of zinc content. Measurement range: 0. 0015 to 0. 005%.