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YB/T 4529-2016 Nitrogen-bearing ferromanganese—Determination of nitrogen content—Thermal conductimetric method after fusion in a current of inert gas via email in VALID please email coc@codeofchina.com for quotation
GB/T 4699.2-2008 Ferrochromium and ferrosilicochromium - Determination of chromium content - The ammonium persulfate oxidation titrimetric method and potentiometric titration method (USD) via email in 1-3 business day VALID
GB/T 4139-2004 Ferrovanadium via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 7730.2-1987 Methods for chemical analysis of ferromanganese and blast furnace ferromanganese--The perchloric acid dehydration-gravimetric method for the determination of silicon content (USD) via email in 1-3 business day ABOLISHED
GB/T 4701.2-1984 Methods for chemical analysis of ferrotitanium;The gravimetric method for the determination of silicon content (USD) via email in 1-3 business day ABOLISHED
GB/T 4702.5-2008 Chromium metal - Determination of aluminium content - EDTA titrimetric method and flame atomic absorption spectrometric method (USD) via email in 1-3 business day VALID
GB/T 3795-2006 Ferromanganese via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 8705.3-1988 Methods for chemical analysis of ferrophosphorus; The infrared absorption method for the determination of carbon content (USD) via email in 1-3 business day ABOLISHED
GB/T 14984.2-2010 Ferroalloys—Vocabulary—Part 2:Sampling and sample preparation (USD) via email in 1-3 business day VALID
GB/T 4702.6-2016 Chromium metal—Determination of iron,aluminium,silicon and coppercontent—Inductively coupled plasma atomic emission spectrometry method (USD) via email in 1-3 business day VALID
GB/T 4702.1-2016 Chromium metal—Determination of chromium content—The ammonium ferrous sulfate titrimetric method (USD) via email in 1-3 business day VALID
GB/T 8704.5-2020 Ferrovanadium—Determination of vanadium content—The ammonium ferrous sulfate titrimetric method and the potentiometric titrimetric method (USD) via email in 1-3 business day TO BE VALID
YB/T 178.7-2008 Silicon-aluminium alloy and silicon-barium-aluminium alloy-Determination of sulfur content-Infrared absorption method (USD) via email in 1-3 business day VALID
YB/T 4532-2016 Ferrophosphorus—Determination of phosphorus content—Acid-base titration method via email in VALID please email coc@codeofchina.com for quotation
GB 7731.3-1987 Methods for chemical analysis of ferrotungsten-The bis (cyclohexanone) oxalyldihydrazone photometric method for the determination of copper content (USD) via email in 1-3 business day ABOLISHED
GB/T 32784-2016 Pig iron contenting nickel—Determination of chromium content—Ammonium per sulfate-ammonium ferrous sulfate titration method (USD) via email in 1-3 business day VALID
GB/T 4701.4-2008 Ferrotitanium - Determinatino of manganese content - Arsenite-salt and sodium-salt titrimetric method and periodate photometric method (USD) via email in 1-3 business day VALID
GB/T 14984.1-2010 Ferroalloys—Vocabulary—Part 1:Materials (USD) via email in 1-3 business day VALID
GB/T 7738-2008 Notations for designation of ferroallys (USD) via email in 1-3 business day VALID
YB/T 4530-2016 Nitrogen-bearing ferromanganese—Determination of nitrogen content—The distillation-neutralization titration method via email in VALID please email coc@codeofchina.com for quotation
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