GB/T 14949.6-2021
Manganese ores—Determination of copper, lead and zinc content—Flame atomic absorption spectrometric method (English Version)

Scope: This standard specifies the determination of copper, lead and zinc by flame atomic absorption spectrometry. This standard applies to the determination of copper, lead and zinc in manganese ore and manganese concentrate. Measuring range: copper 0.005% ~ 1.0%; lead 0.005% ~ 1.0%; zinc 0.005% ~ 0.25%.

GB/T 14949.6-2021 Referenced Document

GB/T 2011 Method of sampling and sample preparation of manganese ores in bulk
GB/T 6379.1 Accuracy(trueness and precision)of measurement methods and results Part 1:General principles and definitions
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 7728 Chemical analysis of metallurgical products—General rule for flame atomic absorption spectrometric methods
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values

2021 GB/T 14949.6-2021 Manganese ores—Determination of copper, lead and zinc content—Flame atomic absorption spectrometric method
1994 GB/T 14949.6-1994 Manganese ores- Determination of copper,lead and zinc contents
0000 GB 1521-1979