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Chinese National Standard Category: Iron ore

English Title: Iron ores - Determination of silicon contents - The silicomolybdic blue spectrophotometric method reduce by ammonium ferrous sulfate
Chinese Title: 铁矿石 硅含量的测定 硫酸亚铁铵还原-硅钼蓝分光光度法
Standard No.: GB/T 6730.9-2006
Category No.: D31
Issued by: AQSIQ, SAC
Issued on: 2006-11-1
Implemented on: 2007-2-1
Status: superseded
Superseded by:GB/T 6730.9-2016 Iron ores-Determination of silicon content-- Silicomolybdic blue spectrophotometric method reduced by ammonium ferrous sulfate
Superseded on:2017-9-1
Abolished on:
Superseding:GB/T 6730.9-1986
Word Count:4000 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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