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Chinese National Standard Category: Iron ore

English Title: Iron ores―Determination of zinc content―1-(2-pyridylazo)-2-naphthol spectrophotometric method
Chinese Title: 铁矿石 锌含量的测定 1-(2-吡啶偶氮)-2-萘酚分光光度法
Standard No.: GB/T 6730.44-2017
Category No.: D31
Issued by: AQSIQ AND SAC
Issued on: 2017-09-07
Implemented on: 2018-6-1
Status: valid
Superseded by:
Superseded on:
Abolished on:
Superseding:GB 6730.44-1986 Methods for chemical analysis of iron ores - The 1-(2-pyridylazo)-2-naphthol photometric method for the determination of zinc content
Word Count:5500 words
Similar Standards: GB/T 10322.7-2004   YS/T 1047.9-2015   GB/T 6730.86-2023   GB/T 6730.85-2023   GB/T 6730.87-2023   GB/T 10322.1-2023   GB/T 6730.84-2023   GB/T 42523-2023   GB/T 42524-2023   GB/Z 42521-2023   GB/T 42522-2023   GB/T 6730.51-2023   GB/Z 42520-2023   GB/Z 42358-2023   GB/T 6730.61-2022   GB/T 20565-2022   GB/T 6730.60-2022   GB/T 10322.6-2022   GB/T 6730.5-2022   GB/T 6730.28-2021  
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