GB/T 223.37-2020 in English
VALIDIron, steel and alloy—Determination of nitrogen content—Indophenol blue spectrophotometric method after distillation separation
- Issued on:2020-06-02
- Implemented on:2021-01-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$214.00
《GB/T 223.37-2020钢铁及合金 氮含量的测定 蒸馏分离靛酚蓝分光光度法》由TC183(全国钢标准化技术委员会)归口,TC183SC5(全国钢标准化技术委员会钢铁及合金化学成份测定分会)执行,主管部门为中国钢铁工业协会。
GB/T 223.37-2020 Iron, steel and alloy—Determination of nitrogen content—Indophenol blue spectrophotometric method after distillation separation English

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