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GB/T 12690.18-1990 Rare-earth metals and their oxides--Determination of chlorine content--Mercury sulphoeyanie-iron nitrate spectrophotometric method
Issued on: 1990-01-02 Price(USD): 180.0 |
GB/T 12690.18-2017 Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides-Part 18:Determination of zirconium content
Issued on: 2017-10-14 Price(USD): 130.0 |
GB/T 12690.19-1990 Rare-earth metals and their oxides--Determination of iron content--1, 10-phenanthroline spectrophotometric method
Issued on: 1990-01-02 Price(USD): 180.0 |
GB/T 12690.19-2018 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 19:Determination of arsenic and mercury contents
Issued on: 2018-09-17 Price(USD): 160.0 |
GB/T 12690.2-1990 Lanthanum oxide--Determination of neodymium oxide, cerium oxide, praseodymium oxide, samarium oxide and yttrium oxide contents-Emission spectrographic method
Issued on: 1990-12-30 Price(USD): 180.0 |
GB/T 12690.2-2002 Chemical analysis methods for non-RE impurity of rare earth metals and their oxides-Determination of ignition loss content of rare earth oxides-Gravimetric method
Issued on: 2002-1-1 Price(USD): 120.0 |
GB/T 12690.2-2015 Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides―Part 2:Determination of ignition loss content of rare earth oxides―Gravimetric method
Issued on: 2015-09-11 Price(USD): 60.0 |
GB/T 12690.20-1990 Rare-earth metals and their oxides--Determination of iron content--Potassium thiocyanate, 1, 10-phenanthroline spectrophotometric method
Issued on: 1990-01-02 Price(USD): 180.0 |
GB/T 12690.21-1990 Rare-earth metals and their oxides--Determination of phosphorus content--Molybdenum blue spectrophotometric method
Issued on: 1990-12-30 Price(USD): 184.0 |
GB/T 12690.22-1990 Rare-earth metals and their oxides--Determination of silicon oxide--Molybdenum blue spectrophotometric method
Issued on: 1990-01-02 Price(USD): 180.0 |
GB/T 12690.23-1990 Rare-earth metals and their oxides--Determination of acid soluble silicon oxide--Molybdenum blue spectrophotometric method
Issued on: 1990-01-02 Price(USD): 180.0 |
GB/T 12690.24-1990 Rare-earth metals and their oxides--Determination of aluminum content--Aluminum-chromazurol S-hexadecyl-trimethyl ammonium bromide-ethanol spectrophotometric method
Issued on: 1990-01-02 Price(USD): 180.0 |
GB/T 12690.25-1990 Rare-earth metals and their oxides--Determination of magnesium content--Flame atomic absorption spectrometric method
Issued on: 1990-12-30 Price(USD): 184.0 |
GB/T 12690.26-1990 Rare-earth metals and their oxides--Determination of sodium content--Flame atomic absorption spectrometric method
Issued on: 1990-12-30 Price(USD): 184.0 |
GB/T 12690.27-1990 Rare-earth metals and their oxides-Determination of ignition loss-Gravimetric method
Issued on: 1990-12-30 Price(USD): 184.0 |
GB/T 12690.28-2000 Rare earth metals and their oxide--Determination of calcium oxide content--Inductively coupled plasma atomic emission spectrographic method
Issued on: 2000-06-05 Price(USD): 100.0 |
GB/T 12690.29-2000 Rare earth metals and their oxide - Determination of cerium oxide content - Fluorescent spectrophotometric method
Issued on: 2000-6-5 Price(USD): 90.0 |
GB/T 12690.3-1990 Cerium and cerium oxide--Determination of lanthanum oxide, praseodymium oxide, neodymium oxide, samarium oxide and yttrium oxide contents--Emission spectrographic method
Issued on: 1990-12-30 Price(USD): 180.0 |
GB/T 12690.3-2002 Chemical analysis methods for non-RE impurity of rare earth metals and their oxides-Determination of water content of rare earth oxides-Gravimetric method
Issued on: 2002-1-1 Price(USD): 120.0 |
GB/T 12690.3-2015 Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides―Part 3:Determination of water content of rare earth oxides―Gravimetric method
Issued on: 2015-09-11 Price(USD): 60.0 |
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