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YB/T 5341-2006 Methods for chemical analysis of ferrophorus The infrared absorption method for the determination of sulfur content (USD) via email in 1-3 business day ABOLISHED
GB/T 24583.8-2009 Vanadium-Nitrogen alloy—Determination of silicon,manganese,phosphorus,aluminum content—Inductively coupled plasma atomic emission spectrometric method (USD) via email in 1-3 business day ABOLISHED
DB37/T 3589-2019 Remanufacturing Test sample preparation method for bonding strength of laser cladding layer and substrate via email in VALID please email coc@codeofchina.com for quotation
GB 7730.9-1988 Methods for chemical analysis of ferromanganese and blast furnace ferromanganese; The combustion-neutralization titration method for the determination of sulfur content (USD) via email in 1-3 business day ABOLISHED
GB/T 5686.4-2008 Ferromanganese ferromanganese-silicon itrogen-bearing ferromanganese and manganese metal - Determination of phosphorus content - Molybdenum blue photometric method and alkali content titrimetric method (USD) via email in 1-3 business day VALID
YB/T 5044-1993 Chemical analysis of lump molybdenum oxide The determination of tin by the photometric method of phenylfluorone (USD) via email in 1-3 business day ABOLISHED
GB 223.4-1988 Methods for chemical analysis of iron, steel and alloy; The volumetric method for determination of manganese content by ammonium nitrate oxidation (USD) via email in 1-3 business day ABOLISHED
GB/T 223.36-1994 Methods for chemical analysis of iron, steel and alloy The neutral titration method for the determinaion of nitrogen content after distillation separation via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 4701.3-2009 Ferrotitanium—Determination of copper content—The DDTC photometric method and the flame atomic absorption spectrometric method (USD) via email in 1-3 business day VALID
GB/T 223.68-1989 Methods for chemical analysis of iron steel and alloy--The combustion potassium iodate volumetric method for the determination of sulfur content via email in ABOLISHED please email coc@codeofchina.com for quotation
GB/T 4333.3-1988 Methods for chemical analysis of ferrosilicon-The potassium periodate photometric method for the determination of manganese content (USD) via email in 1-3 business day VALID
GB 8654.10-1988 Methods for chemical analysis of manganese metal; The infrared absorption method for the determination of sulfur content (USD) via email in 1-3 business day ABOLISHED
YB/T 4531-2016 Ferrophosphorus—Determination of silicon content—Silicon molybdenum blue spectrophotometric method via email in VALID please email coc@codeofchina.com for quotation
YB/T 5331-2006 Methods for chemical analysis of vanadium pentoxide The co-precipitation-extraction molybdenum blue spectrophotometric method for the determination of phosphorus content (USD) via email in 1-3 business day ABOLISHED
GB/T 4701.1-2009 Ferrotitanium—Determination of titanium content—The ammonium ferric sulfate titration method (USD) via email in 1-3 business day VALID
GB/T 3654.6-2008 Ferroniobium - Determination of sulfur content - Combustion-iodate titrimetric method,methylene blue photometric method and infrared absorption method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB 223.20-1982 (USD) via email in 1-3 business day ABOLISHED
YB/T 5329-2006 Methods for chemical analysis of vanadium pentoxide The molybdenum blue spectrophotometric method for the determination of silicon content (USD) via email in 1-3 business day ABOLISHED
GB/T 21933.1-2008 Ferronickel - Determination of nickel content - The dimethylglyoxime gravimetric method (USD) via email in 1-3 business day VALID
GB/T 4702.5-1984 Methods for chemical analysis of chromium metal;The atomic absorption spectrophotometric method for the determination of aluminum content (USD) via email in 1-3 business day ABOLISHED
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