GB/T 31949-2015
Manganese ores.Determination of mercury content.Solid sampling and direct mercury analysis method (English Version)
- Standard No.
- GB/T 31949-2015
- Language
- Chinese, Available in English version
- Release Date
- 2015
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
- GB/T 31949-2015
- Scope
- This standard specifies the method for the determination of mercury content by direct determination of solid samples. This standard is applicable to the determination of mercury content in manganese ore, and the determination range is: 0.005 μg/g～5.00 μg/g.
GB/T 31949-2015 Referenced Document
- GB/T 2011 Method of sampling and sample preparation of manganese ores in bulk
- GB/T 602 Chemical reagent--Preparations of standard solutions for impurity
- GB/T 6379.2 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 Water for analytical laboratory use.Specification and test methods
- GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
- JJG 548 Mercury Analyzers*， 2018-06-25 Update
GB/T 31949-2015 history
- 2015 GB/T 31949-2015 Manganese ores.Determination of mercury content.Solid sampling and direct mercury analysis method
