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YS/T 568.10-2006 Hafnium oxides--Determination of manganese oxide content--Potassium periodate photometric method 30 (USD) via email in 1-3 business day ABOLISHED
GB/T 2590.7-1981 Zirconium and hafnium oxides;Determination of phosphorus content;Ascorbic acid reduced molybdoantimonylphosphoric acid absorption photometric method 45 (USD) via email in 1-3 business day ABOLISHED
GB/T 2590.8-1981 Zirconium oxide;Determination of hafnium oxide content;Emission spectrophotometric method 30 (USD) via email in 1-3 business day ABOLISHED
GB/T 4698.8-1996 Sponge titanium, titanium and titanium alloys-Determination of aluminum content-Separation with sodium hydroxide-EDTA complexometric titration method 45 (USD) via email in 1-3 business day ABOLISHED
GB 8221.3-1987 45 (USD) via email in 1-3 business day ABOLISHED
GB/T 15076.12-2008 Methods for chemical analysis of tantalum and niobium - Determination of phosphorus content in tantalum 120 (USD) via email in 1-3 business day VALID
YS/T 569.9-2006 Thallium--Determination of silicon content--Isoamyl alcohol extraction molybdenum blue absorption photometric method 30 (USD) via email in 1-3 business day ABOLISHED
GB/T 2590.4-1981 Zirconium and hafnium oxides;Determination of aluminum content;Chromazurol S-tetradecyl pyridine bromide photometric method 30 (USD) via email in 1-3 business day ABOLISHED
GB/T 4324.1-1984 Methods for chemical analysis of tungsten;The square wave polarographic method for the successive determination of lead and cadmium contents 60 (USD) via email in 1-3 business day ABOLISHED
GB/T 20931.11-2007 Methods for chemical analysis of lithium—Determination of magnesium content—Flame atomic absorption spectrometric method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 16484.23-2009 Chemical analysis methods of rare earth chloride and light rare earth carbonate—Part 23:Determination of acid insoluble substance in light rare earth carbonate—Gravimetry 120 (USD) via email in 1-3 business day VALID
GB/T 4324.22-1984 Methods for chemical analysis of tungsten;The formaldoxime photometric method for manganese content via email in ABOLISHED please email coc@codeofchina.com for quotation
GB/T 4324.29-1984 Methods for chemical analysis of tungsten;The gravimetric method for the determination of residue content after chloride volatility 30 (USD) via email in 1-3 business day ABOLISHED
GB/T 15076.13-1994 Methods for chemical analysis of tantalum and niobium-Determination of nitrogen content in tantalum 90 (USD) via email in 1-3 business day ABOLISHED
GB/T 4325.15-1984 Methods for chemical analysis of molybdenum;The chlorophosphonazo 1 photometric method for the determination of magnesium content via email in ABOLISHED please email coc@codeofchina.com for quotation
GB/T 4324.6-1984 Methods for chemical analysis of tungsten;The ortho-phenanthroline photometric method for the determination of iron content 45 (USD) via email in 1-3 business day ABOLISHED
GB/T 8639.4-1988 Vanadium; Determination of iron content; Phenanthroline spectrophotometric method 30 (USD) via email in 1-3 business day ABOLISHED
GB/T 16484.10-2009 Chemical analysis methods of rare earth chloride and light rare earth carbonate—Part 10:Determination of manganese oxide content—Flame atomic absorption spectrometry 120 (USD) via email in 1-3 business day VALID
GB/T 12690.9-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Determination of chlorine content—Silver nitrate turbidimetric method 90 (USD) via email in 1-3 business day VALID
GB 3829.5-1983 30 (USD) via email in 1-3 business day ABOLISHED
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