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GB/T 14506.19-2010 Methods for chemical analysis of silicate rocks—Part 19:Determination of lead content $160.00 via email in 1~3 business day valid
GB/T 14506.2-1993 Sillicate rocks. Determination of combined water content. Gravimetric method $184.00 via email in 1~3 business day abolished
GB/T 14506.2-2010 Methods for chemical analysis of silicate rocks—Part 2:Determination of combined water content $120.00 via email in 1~3 business day valid
GB/T 14506.20-1993 Sillicate rocks. Determination of zine $100.00 via email in 1~3 business day abolished
GB/T 14506.20-2010 Methods for chemical analysis of silicate rocks—Part 20:Determination of zinc content $180.00 via email in 1~3 business day valid
GB/T 14506.21-1993 Sillicate rocks. Determination of nickel and cobalt content. Ammonium hydroxide-ammonium chloride-sulfosalicylic acid-dimethyl glyoxime medium polarographic method $184.00 via email in 1~3 business day superseded
GB/T 14506.21-2010 Methods for chemical analysis of silicate rocks—Part 21:Determination of nickel and cobalt content $120.00 via email in 1~3 business day valid
GB/T 14506.22-1993 Silicate rocks. Determination of vanadium $100.00 via email in 1~3 business day superseded
GB/T 14506.22-2010 Methods for chemical analysis of silicate rocks—Part 22:Determination of vanadium content $240.00 via email in 1~3 business day valid
GB/T 14506.23-1993 Silicate rocks--Determination of chromium $224.00 via email in 1~3 business day superseded
GB/T 14506.23-2010 Methods for chemical analysis of silicate rocks—Part 23:Determination of chromium content $180.00 via email in 1~3 business day valid
GB/T 14506.24-1993 Silicate rocks--Determination of cadmium content--Hydrochloric acid-potassium iodide-tetraethyl ammonium bromide (iodide) medium polarographic method $184.00 via email in 1~3 business day superseded
GB/T 14506.24-2010 Methods for chemical analysis of silicate rocks—Part 24:Determination of cadmium content $120.00 via email in 1~3 business day valid
GB/T 14506.25-1993 Silicate rocks--Determination of molybdenum and tungsten content--Sulfuric acid-phenylhydroxyacetic acid-cinchonine-potassium chlorate medium polarographic method $184.00 via email in 1~3 business day superseded
GB/T 14506.25-2010 Methods for chemical analysis of silicate rocks—Part 25:Determination of molybdenum and tungsten content $120.00 via email in 1~3 business day valid
GB/T 14506.26-1993 Silicate rocks. Determination of cobalt content. 4-[(5-Chtoro-2-pyridyl)-azo]-1,3-diamino benzene photometric method $184.00 via email in 1~3 business day superseded
GB/T 14506.26-2010 Methods for chemical analysis of silicate rocks—Part 26:Determination of cobalt content $120.00 via email in 1~3 business day valid
GB/T 14506.27-1993 Silicate rocks. Determination of nicket content. a,a-Furil dioxime photometric method $184.00 via email in 1~3 business day superseded
GB/T 14506.27-2010 Methods for chemical analysis of silicate rocks - Part 27: Determination of nickel content $120.00 via email in 1~3 business day valid
GB/T 14506.28-1993 Silicate rocks. Determination of contents of major and minor elements. X-ray fluorescence spectrometric method $224.00 via email in 1~3 business day abolished
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