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HS/T 64-2019 Qualitative analysis for the crystalline state of Fe-based alloy strips via email in VALID please email coc@codeofchina.com for quotation
GB/T 8704.10-2020 Ferrovanadium—Determination of silicon,manganese,phosphorus,aluminum,copper,chromium,nickel and titanium contents—Inductively coupled plasma atomic emission spectrometric method 360 (USD) via email in 1-3 business day TO BE VALID
GB/T 4701.6-2008 Ferrotitanium - Determination of aluminum content - EDTA titrimetric method 120 (USD) via email in 1-3 business day VALID
GB/T 4702.7-2016 Chromium metal─Determination of nitrogen content─Distillation-nessler reagent spectrophotometric method 120 (USD) via email in 1-3 business day ABOLISHED
GB 4699.4-1988 Methods for chemical analysis of silicochromium The infrared absorption method for the determination of carbon content 45 (USD) via email in 1-3 business day ABOLISHED
GB 3653.6-1988 Methods for chemical analysis of ferroboron-The reduced molybdoantimonylphosphoric acid photometric method for the determination of phosphorus content 45 (USD) via email in 1-3 business day VALID
GB/T 5686.2-1985 Methods for chemical analysis of silicomanganese alloy-The gravimetric method for the determination of silicon content 45 (USD) via email in 1-3 business day ABOLISHED
WM 3007-1987 45 (USD) via email in 1-3 business day ABOLISHED
GB/T 20123-2006 Steel and iron—Determination of total carbon and sulfur content Infrared absorption method after combustion in an induction furnace (routine method) via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YB/T 5317-2016 Calcium silicon alloy—Determination of sulfur content—High frequency combustion with infrared absorption method and the combustion-potassium iodate titration method via email in VALID please email coc@codeofchina.com for quotation
GB/T 4702.17-2016 Chromium metal—Determination of oxygen, nitrogen and hydrogen content—Inert gas fusion thermal infrared detection method and conductivity method 120 (USD) via email in 1-3 business day VALID
JB/DQ 7084-1983 75 (USD) via email in 1-3 business day ABOLISHED
GB/T 7731.3-2008 Ferrotungsten - Determination of copper content - Bis(cyclohexanone)oxalyldihydrazone photometric method and flame atomic absorption spectrometric method 105 (USD) via email in 1-3 business day VALID
GB 223.53-1987 Methods for chemical analysis of iron,steel and alloy; The flame atomic absorption spectrophotometric method for the determination of copper content 45 (USD) via email in 1-3 business day VALID
GB/T 24583.3-2009 Vanadium-Nitrogen alloy-Determination of nitrogen content—The distillation-neutralization titration method 120 (USD) via email in 1-3 business day ABOLISHED
GB/T 21931.1-2008 Nickel ferronickel and nickel alloys - Determination of carbon content - Infrared absorption method after induction furnace combustion 150 (USD) via email in 1-3 business day VALID
GB/T 4333.4-2007 Ferrosilicon—Determination of aluminium content—The chromazurol S spectrophotometric method the EDTA titrimetric method and the flame atomic absorption spectrometric method 180 (USD) via email in 1-3 business day VALID
GB/T 223.72-2008 Iron steel and alloy - Determination of sulfur content - Gravimetric method 195 (USD) via email in 1-3 business day VALID
GB/T 24583.6-2009 Vanadium-Nitrogen alloy—Determination of sulfur content—The infrared absorption method 120 (USD) via email in 1-3 business day ABOLISHED
GB/T 223.60-1997 Methods for chemical analysis of iron,steel and alloy The perchloric acid dehydration gravimetric method for the determination of silicon content via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
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