GB/T 31927-2015 Zinc and aluminum based coatings on steel sheets and strips.Determination of lead and cadmium contents.Inductively coupled plasma mass spectrometric method (English Version)
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 31927-2015
Scope
This standard specifies the method for the determination of lead and cadmium by inductively coupled plasma mass spectrometry. This standard is applicable to the determination of lead and cadmium content in pure zinc, zinc-iron, zinc-aluminum and aluminum-zinc alloy coatings on steel sheets and strips. /g~2 000.0 μg/g.
GB/T 20066 Steel and iron.Sampling and preparation of samples for the determination of chemical composition
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 31927-2015 history
2015GB/T 31927-2015 Zinc and aluminum based coatings on steel sheets and strips.Determination of lead and cadmium contents.Inductively coupled plasma mass spectrometric method