YS/T 254.2-2011 Active Industry standards-Non-ferrous metals

YS/T 254.2-2011 Methods for chemical analysis of beryllium concentrate and beryl—Part 2:Determination of ferric oxide content—EDTA titrimetry and sulfosalicylic acid spectrophotometry

Publish Date: 2011-12-20 Implement Date: 2012-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: YS/T 254.2-2011

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: \nRare metal mines

ICS Name: \nMetal ores

Publish Date: 2011-12-20

Implement Date: 2012-07-01

Pages: 7 pages

Scope

This part of YS/T 254 specifies the determination method for the content of iron oxide in beryllium concentrate and beryl.
This part is applicable to the determination of iron oxide in beryllium concentrate and beryl. The determination range of Method I is >3.00% to 10.00%; the determination range of Method II is 0.50% to 3.00%.

Development Information

Word Count: 11 Thousand words Pages: 7 pages

Same series standard

YS/T 254.1-2011 Methods for chemical analysis of beryllium concentrate and beryl—Part 1:Determination of beryllium oxide content—Phosphate gravimetry YS/T 254.3-2011 Methods for chemical analysis of beryllium concentrate and beryl—Part 3:Determination of phosphorus content—Phosphomlybdium vanadic acid spectrophotometry YS/T 254.4-2011 Methods for chemical analysis of beryllium concentrate and beryl—Part 4:Determination of lithium oxide contents—Flame atomic absorption spectrometry YS/T 254.5-2011 Methods for chemical analysis of beryllium concentrate and beryl—Part 5:Determination of fluorine content—Ion selective electrode method YS/T 254.6-2011 Methods for chemical analysis of beryllium concentrate and beryl—Part 6:Determination of calcium oxide content—Flame atomic absorption spectrometry YS/T 254.7-2011 Methods for chemical analysis of beryllium concentrate and beryl—Part 7:Determination of water content—Gravimetric method

Replace the following standards

YS/T 254.2-1994

Related Standards

GB/T 3714-1983 Replaced

GB/T 3714-1983 Technical requirements of manganese carbonate ore powder

Publish Date: 1983-05-24

GB/T 4414-1984 Replaced

GB/T 4414-1984 Methods of sampling and sample preparation of tungsten concentrates in bags

Publish Date: 1984-05-29

GB/T 6150.10-1985 Replaced

GB/T 6150.10-1985 Methods for chemical analysis of tungsten concentrates—The thiocyanate photometric method for the determination of molybdenum content

Publish Date: 1985-06-21

GB/T 6150.11-1985 Replaced

GB/T 6150.11-1985 Methods for chemical analysis of tungsten concentrates—The atomic absorption spectrophotometric method for the determination of copper content

Publish Date: 1985-06-21

GB/T 6150.1-1985 Replaced

GB/T 6150.1-1985 Methods for chemical analysis of tungsten concentrates—The ammonium tungstate igniting gravimetric method for the determination of tungsten trioxide content

Publish Date: 1985-06-21

GB/T 6150.12-1985 Replaced

GB/T 6150.12-1985 Methods for chemical analysis of tungsten concentrates—The hydrochloric acid-sodium chloride supporting electrolyte polarographic method for the determination of lead content

Publish Date: 1985-06-21