gb/t12689.2
gb/t12689.2, Total:2 items.
The international standard classification for "gb/t12689.2" includes: Chemical analysis of metals , Lead, zinc, tin and their alloys .
The Chinese standard classification for "gb/t12689.2" includes: Heavy metals and their alloys analysis method .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 12689.2-1990 Zinc and zinc alloys--Determination of copper content--Lead diethyldithio-carbamate spectrophotometric method
- GB/T 12689.2-2004 The methods for chemical analysis of zinc and zinc alloys—The determination of arsenic content—The atomic fluorescence spectrometer method
gb11896gb11896,gb11896gb11896gb11896,GB 4309,gb 18834,GB2011-1987+GB+,GB/t GB267,gb50976gb50976,gb/t5293gb,gb gb30000.29,GB 26465 GB/t 26465,gb/t70 gb/,The relationship between gb/t and gb,GB/s and GB/s,GB/s and GB/s,gb/t12689.2,GB/s and GB/s,gb/t34667gb,gb gb 36600,gb1859gb1859,gb gb30000.13
