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GB/T 14352.5-1993 Mehtoss for chemical analysis of tungsten ores molybdenum ores. Determination of zinc content. Flame atomic absorption spectrometric method $184.00 via email in 1~3 business day abolished
GB/T 14352.6-1993 Methods for chemical analysis of tungsten ores molybdenum ores. Determination of cadmium content. Flame atomic absorption spectrometric method $184.00 via email in 1~3 business day abolished
GB/T 14352.7-1993 Methods for chemical analysis of tungsten ores and molybdenum ores. Determination of cobalt content. Polarographic method in dimethylglyoxime-sulfosalicylic acid-ammonium hydroxide-ammonium chloride system $184.00 via email in 1~3 business day abolished
GB/T 14352.8-1993 Methods for chemical analysis of tungsten ores and molybdenum ores. Determination of nickel content. Polarographic method in dimethylg-lyoxime-sulfosalicylic acid-ammonium hydroxide-ammonium chloride system $184.00 via email in 1~3 business day abolished
GB/T 14352.9-1993 Methods for chemical analysis of tungsten ores and molybdenum ores. Determination of totol sulfur content. Iodometric method after combustion $184.00 via email in 1~3 business day abolished
GB/T 14634.1-2010 Test methods of rare earth three-band phosphors for fluorescent lamps—Part 1:Determination of relative brightness $110.00 via email in 1~3 business day valid
GB/T 14634.2-2010 Test methods of rare earth three-band phosphors for fluorescent lamps—Part 2:Determination of emission dominantpeak and chromaticity $110.00 via email in 1~3 business day valid
GB/T 14634.3-2010 Test methods of rare earth three-band phosphors for fluorescent lamps—Part 3:Determination of thermostability $110.00 via email in 1~3 business day valid
GB/T 14634.5-2010 Test methods of rare earth three-band phosphors for fluorescent lamps—Part 5:Determination of density $110.00 via email in 1~3 business day valid
GB/T 14634.6-2010 Test methods of rare earth three-band phosphors for fluorescent lamps—Part 6:Determination of specific surface area $110.00 via email in 1~3 business day valid
GB/T 14634.7-2010 Test methods of rare earth three-band phosphors for fluorescent lamps—Part 7:Determination of temperature quenching $90.00 via email in 1~3 business day valid
GB/T 14635-2008 Rare earth metals and their compounds—Determination of total rare earth contents $140.00 via email in 1~3 business day superseded
GB/T 14635-2020 Rare earth metals and their compounds—Determination of total rare earth content $200.00 via email in 1~3 business day valid
GB/T 14635.1-1993 Rare earth metals and their compounds. Determination of total rare earth contents. Rare earth oxalate gravimetric method $184.00 via email in 1~3 business day superseded
GB/T 14635.2-1993 Rare earth metals and their compounds. Determination of total rare earth contents. EDTA volumetric method $180.00 via email in 1~3 business day abolished
GB/T 14635.3-1993 Heavy rare earth metals and their compounds. Determination of total rare earth contents. EDTA volumetric method $180.00 via email in 1~3 business day abolished
GB/T 15076.1-1994 Methods for chemical analysis of tantalum and niobium- Determihation of tantalum content in niobium $214.00 via email in 1~3 business day superseded
GB/T 15076.10-1994 Methods for chemical analysis of tantalum and niobium-Determination of iron,nickel,chromium,titanium,zirconium,aluminum and manganese contents in niobium $100.00 via email in 1~3 business day superseded
GB/T 15076.10-2019 Methods for chemical analysis of tantalum and niobium—Part 10:Determination of iron,nickel,chromium,titanium, zirconium,aluminum and manganese contents in niobium—Direct current arc atomic emission spectrometry $110.00 via email in 1~3 business day valid
GB/T 15076.11-1994 Methods for chemical analysis of tantalum and niobium-Determination of arsenic antimony,lead,tin and bismuth contents in niobium $100.00 via email in 1~3 business day superseded
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