GB/T 223.37-2020 standards english version

NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA

GB/T 223.37-2020

Iron, steel and alloy—Determination of nitrogen content—Indophenol blue spectrophotometric method after distillation separation

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The Standardization Administration of the People's Republic of China

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GB Standard Code	GB/T 223.37-2020
Standard Category	China National Standards
GB Standard English Title	Iron, steel and alloy—Determination of nitrogen content—Indophenol blue spectrophotometric method after distillation separation
GB Standard Chinese Title	钢铁及合金氮含量的测定蒸馏分离靛酚蓝分光光度法
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