GB/T 6730.28-2021
铁矿石 氟含量的测定 离子选择电极法
Iron ores—Determination of fluorine content—Ion-selective electrode method
- 实施日期
- 2022-07-01
- ICS 分类
- 73.060.10
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
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GB/T 6730.28-2021
Iron ores—Determination of fluorine content—Ion-selective electrode method
GB/T 29722-2021
Commercial coal quality—Coal for entrained-flow gasification
GB/T 23251-2021
Guideline for coal used in coal chemical technology
GB/T 23810-2021
Commercial coal quality—Coal for direct liquefaction
GB/T 6730.48-2021
Iron ores—Determination of bismuth content— Dithiodiantipyryl methane spectrophotometric method
GB/T 41025-2021
Guidelines for disposal of abandoned coalbed methane well
GB/T 40736-2021
Mobile freight ropeway used in mining—Safety specifications
GB/T 4652-2021
Loader for underground mining—Testing method
GB/T 14949.6-2021
Manganese ores—Determination of copper, lead and zinc content—Flame atomic absorption spectrometric method
GB/T 40697-2021
Specification for management of the third-party coal testing
GB/T 40873-2021
The expertise for oceanic cobalt-rich ferromanganese crusts exploration
GB/T 40547-2021
Design guidelines for coalbed methane well drilling and completion
GB/T 40546-2021
Design specification for coalbed methane well drainage engineering
GB/T 40545-2021
Guidelines of hydraulic fracturing for coalbed methane well
GB/T 40503-2021
Measuring methods of secondary coal slime content in coal preparation plant
GB/T 40485-2021
Method of determining automatically the random reflectance of vitrinite in coal—Image analysis method
GB/T 20899.6-2021
Methods for chemical analysis of gold ores—Part 6: Determination of zinc content
GB/T 20899.5-2021
Methods for chemical analysis of gold ores—Part 5: Determination of lead content
GB/T 20899.4-2021
Methods for chemical analysis of gold ores—Part 4: Determination of copper content
GB/T 19559-2021
Method of determining coalbed methane content