General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 21933.3-2008
Scope
WARNING: Personnel using this section should have practical experience in formal laboratory work. This section does not address all possible security issues. It is the user's responsibility to take appropriate safety and health measures and ensure compliance with the conditions stipulated in the relevant national laws and regulations. This part of GB/T 21933 specifies the determination of cobalt content in ferronickel by flame atomic absorption spectrometry. This part applies to the determination of cobalt content in ferronickel, measuring range (mass fraction): 0.025% to 2.5%.
GB/T 12808 Laboratory glass instrument single marked line pipette*, 2016-07-01 Update
GB/T 21933.1 Ferronickel.Determination of nickel content.The dimethylglyoxime gravimetric method
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 21933.3-2008 history
2008GB/T 21933.3-2008 Ferronickel.Determination of cobalt content.Flame atomic absorption spectrometric method