GB/T 1506-2002
Replaced
GB/T 31949-2015
Active
National standards
GB/T 31949-2015 Manganese ores—Determination of mercury content—Solid sampling and direct mercury analysis method
GB/T 31949-2015 Manganese ores—Determination of mercury content—Solid sampling and direct mercury analysis method
Basic Information
Standard Code:
GB/T 31949-2015
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Manganese ore
ICS Name:
Manganese ore
Publish Date:
2015-09-11
Implement Date:
2016-06-01
Pages:
9 pages
Scope
This standard specifies the method for determining the mercury content by direct measurement of solid samples.
This standard is applicable to the determination of mercury content in manganese ores, with a measurement range of: 0.005 μg/g to 5.00 μg/g.
Development Information
Referenced Standards
GB/T 602-2002 Chemical reagent—Preparations of standard solutions for impurity
GB/T 2011-1987 Method of sampling and sample preparation of manganese ores in bulk
GB/T 6379.2-2004 Accuracy(trueness and precision)of measurement methods and results—Part 2:Basic method for the determination of repeatability and reproducibility of a standard measurement method
GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods
GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods
GB/T 8170-1987 Rules for rounding off of numberical values
GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values
JJG 548-2004 Mercury Analyzers
JJG 548-2018 Mercury Analyzers
GB/T 602-2026 Chemical reagent—Preparations of standard solutions for impurity
Related Standards
GB/T 1508-2002
Active
GB/T 1508-2002 Manganese ores—Determination of total iron content—Potassium dichromate titrimetric method and 1,10-phenanthroline spectrophotometric method
GB/T 1515-2002
Active
GB/T 1515-2002 Manganese ores—Determination of phosphorus content—Phosphomolybdenum blue spectrophotometric method
GB/T 1510-2006
Replaced
GB/T 1510-2006 Manganese ores—Determination of aluminium content—EDTA titrimetric method
GB/T 1507-2006
Active
GB/T 1507-2006 Manganese Ores—Determination of active oxygen content—Potassium dichromate titrimetric method
GB/T 1509-2006
Replaced