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GB/T 223.92-2023 Iron, steel and alloy—Determination of lanthanum, cerium, praseodymium, neodymium and samarium content—Inductively coupled plasma mass spectrometry $400.00 via email in 1~5 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 $240.00 via email in 1~3 business day valid
GB/T 28898-2012 Evaluation of uncertainty in chemical composition analysis for metallurgical materials $1350.00 via email in 1~3 business day valid
GB/T 31926-2015 Zinc and aluminum based coatings on steel sheets and strips―Determination of lead,cadmium and chromium contens―Glow discharge atomic emission spectrometry method $250.00 via email in 1~3 business day valid
GB/T 31927-2015 Zinc and aluminum based coatings on steel sheets and strips― Determination of lead and cadmium contents―Inductively coupled plasma mass spectrometric method $80.00 via email in 1~3 business day valid
GB/T 31931-2015 Zinc or zinc alloy coating on steel sheets or strips―Determination of hexavalent chromium content―1,5-Diphenylcarbohydrazide(diphenylcarbazide) spectrophotometric method $80.00 via email in 1~3 business day valid
GB/T 34208-2017 Iron and steel--Determination of antimony and tin content--Inductively coupled plasma atomic emission spectrometric method $140.00 via email in 1~3 business day valid
GB/T 4223-2017 Iron and steel scraps $220.00 via email in 1~3 business day valid
GB/T 5686.4-1998 Methods for chemical analysis of silicomanganese --The phosphomolybdenum blue phtometric method for the determination of phosphorus content $220.00 via email in 1~3 business day valid
JB/T 7174.1-1993 Methods for chemical analysis of silicomanganese-The phosphomolybdenum blue phtometric method for the determination of phosphorus content $184.00 via email in 1~3 business day abolished
T/CSTA 0048-2023 via email in business day valid
T/CSTA 0049-2023 via email in business day valid
T/SSEA 0325-2023 via email in business day valid
YB/T 4217.1-2010 Coatings of the hot dip galvanizing(zinc-aluminum) sheet – Determination of hexavalent Cr content – Spectrophotometric method $125.00 via email in 1~3 business day valid
YB/T 4217.2-2010 Coatings of the hot dip galvanizing(zinc-aluminum) sheet – Determination of Hg content – Atomic absorption spectrometric method $75.00 via email in 1~3 business day valid
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 $75.00 via email in 1~3 business day valid
YB/T 4218-2010 Vanadium pentoxide - - Determination of vanadium pentoxide content - - The ammonium persulfate oxidation titrimetric method $130.00 via email in 1~3 business day valid
YB/T 4219-2010 Vanadium pentoxide - Determination of phosphorus content –- The molybdobismuthylphosphoric blue spectrophotometric method $130.00 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 $90.00 via email in 1~3 business day valid
YB/T 4475-2015 Steel sheets and strips. Analysis of zinc-and alumnium-based metallic coatings. Glow-discharge optical-emission spectrometric method $654.00 via email in 1~3 business day valid
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