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GB/T 16480.4-1996 Method for chemical analysis of yttrium and yttium oxide-Determination of sulphur content (USD) via email in 1-3 business day ABOLISHED
JB/T 9499.6-1999 Method for chemical analysis of constantan resistance alloy The sulphosalicylic acid photometric method for the determination of iron content via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YB/T 5354-2006 (USD) via email in 1-3 business day ABOLISHED
GB/T 4292-1999 Aluminium fluoride via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
YS/T 118.17-2012 Methods of determination and calculation of heat balance in metallurgical furnaces for heavy non-ferrous metals(Nickel flash smelting furnace) (USD) via email in 1-3 business day VALID
GB/T 4461-1992 Thermostatic bimetal strips via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
JB/T 9493.7-1999 Method for chemical analysis of manganin and novokostant resistance alloy The EDTA titrimetric method for the determination of aluminum content after separation with ammonium benzoate (USD) via email in 1-3 business day VALID
GB/T 23362.3-2009 Methods for chemical analysis of high purity indium hydroxide - Part 3: Determination of antimony content - Atomic fluorescence spectrometry (USD) via email in 1-3 business day VALID
SJ 20963-2006 Method for determination the content of rhenium of tungsten-rhenium alloy (USD) via email in 1-3 business day VALID
GB 6455-1986 Mercury releasing combined strips for getter (USD) via email in 1-3 business day ABOLISHED
JB/T 9499.3-1999 Method for chemical analysis of constantan resistance alloy The ammonium persulfate oxidation-ammonium ferrous sulfate titrimetric method for the determination of manganese content (USD) via email in 1-3 business day VALID
GB/T 22660.1-2008 Chemical analysis methods of lithium fluoride - Part 1: Preparation and storage of test samples (USD) via email in 1-3 business day VALID
GB/T 18116.3-2000 Yttrium-europium oxide-Determination of europium oxide content-Fluorescent spectrophotometric method (USD) via email in 1-3 business day ABOLISHED
YS/T 765-2011 Safety specification for transportation of electronic waste (USD) via email in 1-3 business day VALID
GB/T 13748.17-2005 Chemical analysis methods of magnesium ang m agnesium alloys—Determination of kalium content and natrium content—Flame atomic absorption spectrophotometric method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 15007-1994 Designations of corrosion-resisting alloy (USD) via email in 1-3 business day ABOLISHED
GB/T 22660.8-2008 Chemical analysis methods of lithium fluoride - Part 8: Determination of sulphate content - Barium sulphate gravimetric method (USD) via email in 1-3 business day VALID
JB/T 9493.4-1999 Method for chemical analysis of manganin and novokostant resistance alloy The sulphosalicylic acid photometric method for the determination of iron content (USD) via email in 1-3 business day VALID
JB/T 9493.1-1999 Method for chemical analysis of manganin and novokostant resistance alloy The electrolytic gravimetric method for the determination of copper content (USD) via email in 1-3 business day VALID
JB/T 9493.3-1999 Method for chemical analysis of manganin and novokostant resistance alloy The dimethylglyoxime gravimetric method for the determination of nickel content (USD) via email in 1-3 business day VALID
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