GB/T 3714-1983
Replaced
YS/T 254.6-2011
Active
Industry standards-Non-ferrous metals
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 254.6-2011 Methods for chemical analysis of beryllium concentrate and beryl—Part 6:Determination of calcium oxide content—Flame atomic absorption spectrometry
Basic Information
Standard Code:
YS/T 254.6-2011
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:
5 pages
Scope
This part of YS/T 254 specifies the method for determining the calcium oxide content in beryllium concentrate and beryl.
This part is applicable to the determination of calcium oxide in beryllium concentrate and beryl. The determination range is 0.05% to 2.00%.
Development Information
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 254.2-2011 Methods for chemical analysis of beryllium concentrate and beryl—Part 2:Determination of ferric oxide content—EDTA titrimetry and sulfosalicylic acid spectrophotometry
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 254.7-2011 Methods for chemical analysis of beryllium concentrate and beryl—Part 7:Determination of water content—Gravimetric method
Replace the following standards
YS/T 254.6-1994
Related Standards
GB/T 4414-1984
Replaced
GB/T 4414-1984 Methods of sampling and sample preparation of tungsten concentrates in bags
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
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
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
GB/T 6150.12-1985
Replaced