GB/T 223.51-1987 standards english version

NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA

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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The Standardization Administration of the People's Republic of China

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GB Standard Code	GB/T 223.51-1987
Standard Category	China National Standards
GB Standard English Title	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 Standard Chinese Title	钢铁及合金化学分析方法 5-Br-PADAP 光度法测定锌量
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