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GB 3653.5-1983 Methods for chemical analysis of ferroboron;The chromatographic separation-barium sulfate gravimetric method for the determination of sulfur content 60 (USD) 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 240 (USD) via email in 1-3 business day VALID
GB/T 223.40-2007 Iron steel and alloy—Detetmination of niobium content by the sulphochlorophenol S spectrophotometric method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB 3829.6-1983 105 (USD) via email in 1-3 business day ABOLISHED
YB/T 4174.2-2008 Silicon-calcium alloy-Determination of phosphorus content-Inductively coupled plasma atomic spectrometric method 105 (USD) via email in 1-3 business day VALID
GB 8654.8-1988 Methods for chemical analysis of manganese metal; The infrared absorption method for the determination of carbon content 45 (USD) via email in 1-3 business day ABOLISHED
GB/T 8704.9-2009 Ferrovanadium—Determination of manganese content—The potassium periodate oxidation photometric method and flame atomic absorption spectrometric method 180 (USD) via email in 1-3 business day VALID
GB/T 5686.1-2008 Ferromanganese,ferromanganese-silicon nitrogen-bearing ferromanganese and manganese metal - Determination of manganese content - Potentiometric method and titrimetric mothod after ammonium nitrate & perchloric acid oxidation 135 (USD) via email in 1-3 business day VALID
YB/T 4462-2015 High purity ferrosilicon. Determination of boron content. Inductively coupled plasma atomic emission spectrometric method via email in VALID please email coc@codeofchina.com for quotation
GB 223.18-1982 45 (USD) via email in 1-3 business day ABOLISHED
GB/T 223.6-1994 Methods for chemical analysis of iron,steel and alloy The neutralization titrimetric method for the determination of boron content via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 223.81-2007 Iron steel and alloy—Determination of total aluminum and total boron contents—Microwave digestion-inductively coupled plasma mass spectrometric method 240 (USD) via email in 1-3 business day VALID
GB 223.63-1988 Methods for chemical analysis of iron, steel and alloy; The sodium(potassium)periodate photometric method for the determination of manganese content 60 (USD) via email in 1-3 business day VALID
GB 7731.14-1988 Methods for chemical analysis of ferrotungsten-The polarographic method for the determination of lead content 45 (USD) via email in 1-3 business day ABOLISHED
GB/T 21834-2008 Medium and low alloy steel - Determination of the distribution of multi-element contents - Original position statistic distribution analysis method 240 (USD) via email in 1-3 business day VALID
YB/T 5342-2006 Methods for chemical analysis of ferrophorus The combustion-neutralization titratin method for the determination of sulfur content 60 (USD) via email in 1-3 business day ABOLISHED
GB/T 223.78-2000 Methods for chemical analysis of iron,steel and alloy-Curcumin spectrophotometric method for the determination of boron content 210 (USD) via email in 1-3 business day VALID
GB/T 223.30-1994 Methods for chemical analysis of iron, steel and alloy The arsenazo Ⅲ spectrophotometric method for the determination of zirconium content after separation by p-bromomandelic acid via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 31924-2015 Nickel pig iron—Determination of nickel content—dimethylglyoxime gravimetric method 120 (USD) via email in 1-3 business day VALID
GB/T 4336-1984 Method for photoelectric emission spectroscopic analysis of carbon steel medium and low alloy steel 150 (USD) via email in 1-3 business day ABOLISHED
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