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YB/T 4217.3-2010 Coatings of the hot dip galvanizing(zinc-aluminum) sheet – Determination of Pb and Cd contents – Inductively coupled plasma atomic emission spectrometric method via email in VALID please email coc@codeofchina.com for quotation
GB/T 223.84-2009 Steel and iron—Determination of titanium content—Diantipyrylmethane spectrophotometric method (USD) via email in 1-3 business day VALID
GB/T 11261-2006 Steel and iron Determination of oxygen content The pulse heating inert gas fusion-infra-red absorption method (USD) via email in 1-3 business day VALID
GB/T 24520-2009 Cast iron and low alloy steel—Determination of lanthanum, cerium and magnesium content—Inductively coupled plasma atomic emission spectrometric method (USD) via email in 1-3 business day VALID
YB/T 4220-2010 Vanadium pentoxide —Determination of sodium oxide and potaiumss oxide content—The inductively coupled plasmaatomic emission spectrometry via email in VALID please email coc@codeofchina.com for quotation
GB/T 223.9-2008 Iron steel and alloy - Determination of aluminium content - Chrom azurol S photometric method (USD) via email in 1-3 business day VALID
GB/T 14203-2016 General rules for spark discharge atomic emission spectrometry (USD) via email in 1-3 business day VALID
GB/T 223.82-2007 Steel and iron—Determination of hydrogen content—Inert gas impulse fusion heat conductivity method (USD) via email in 1-3 business day ABOLISHED
GB/T 223.85-2009 Steel and iron—Determination of sulfur content—Infrared absorption method after combustion in an induction furnace (USD) via email in 1-3 business day VALID
GB/T 20066-2006 Steel and iron?Sampling and preparation of samples for the determination of chemical composition via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YB/T 4218-2010 Vanadium pentoxide—— Determination of vanadium pentoxide content——The ammonium persulfate oxidation titrimetric method via email in VALID please email coc@codeofchina.com for quotation
JB/T 7174.1-1993 Methods for chemical analysis of silicomanganese-The phosphomolybdenum blue phtometric method for the determination of phosphorus content (USD) via email in 1-3 business day ABOLISHED
GB/T 223.55-2008 Iron steel and alloy - Determination of tellurium content - Oscillo-polarographic method (USD) via email in 1-3 business day
GB/T 223.43-2008 Iron steel and alloy - Determination of tungsten content - Gravimetryc method and spectrophotometric method (USD) via email in 1-3 business day VALID
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