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GB/T 1506-2016 Manganese ores—Determination of manganese content—Potentiometric method and ammonium iron(Ⅱ) sulphate titrimetric method 240 (USD) via email in 1-3 business day VALID
GB/T 1509-1979 Method for determination of silicon dioxide content in manganese ores 30 (USD) via email in 1-3 business day ABOLISHED
GB/T 18250-2000 Test method for performance in plane deformation of curtain walls via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
YB/T 319-2015 Metallurgical manganese ore 104 (USD) via email in 1 business day VALID
GB/T 14949.6-1994 Manganese ores- Determination of copper,lead and zinc contents 75 (USD) via email in 1-3 business day VALID
GB 1520-1979 30 (USD) via email in 1-3 business day ABOLISHED
GB/T 1508-1979 Method for determination of total iron content in manganese ores 60 (USD) via email in 1-3 business day ABOLISHED
GB/T 14949.10-1994 Manganese ores- Determination of cobalt content 60 (USD) via email in 1-3 business day VALID
GB/T 29653-2013 Manganese ores—Determination of size distribution by sieving 300 (USD) via email in 1-3 business day VALID
GB/T 29651-2013 Manganese ores and concentrates—Determination of total iron content—Flame atomic absorption spectrometric method 180 (USD) via email in 1-3 business day VALID
GB/T 14949.2-1994 Manganese ores- Determination of nickel content 60 (USD) via email in 1-3 business day VALID
GB/T 14949.8-2018 Manganese ores—Determination of hygroscopic moisture content—Gravimetric method 180 (USD) via email in 1-3 business day VALID
GB/T 1511-2016 Manganese ores—Determination of calcium and magnesium contents—EDTA titrimetric method 180 (USD) via email in 1-3 business day VALID
GB/T 24197-2009 Manganese ores—Determination of iron silicon aluminium calcium barium magnesium potassium copper nickel zinc phosphorus cobalt chromium vanadium arsenic lead titanium and vanadium—Inductively coupled plasma atomic emission spectrometry 240 (USD) via email in 1-3 business day VALID
GB/T 14949.11-1994 Manganese ores- Determination of carbon dioxide content 60 (USD) via email in 1-3 business day VALID
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