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GB/T 12689.7-1990 Zinc and zinc alloys―Determination of magnesium content―Flame atomic absorption spectrometric method
Issued on: 1990-12-30 Price(USD): 180.0 |
GB/T 12689.7-2004 The methods for chemical analysis of zinc and zinc alloys―The determination of magnesium content―The flame atomic absorption spectrometric method
Issued on: 2004-04-30 Price(USD): 224.0 |
GB/T 12689.7-2010 Methods for chemical analysis of zinc and zinc alloys—Part 7:Determination of magnesium content—Flame atomic absorption spectrometric method
Issued on: 2011-1-14 Price(USD): 160.0 |
GB/T 12689.8-1990 Zinc and zinc alloys--Determination of iron content--Flame atomic absorption spectrometric method
Issued on: 1990-12-30 Price(USD): 180.0 |
GB/T 12689.8-2004 The methods for chemical analysis of zinc and zinc alloys—The determination of silicon content—The molybdenum blue spectrophotometric method
Issued on: 2004-4-30 Price(USD): 90.0 |
GB/T 12689.9-1990 Zinc and zinc alloys--Determination of copper content--Flame atomic absorption spectrometric method
Issued on: 2004-04-30 Price(USD): 180.0 |
GB/T 12689.9-2004 The methods for chemical analysis of zinc and zinc alloys—The determination of antimony content—The atomic fluorescence spectrometer and the flame atomic absorption spectrometric met
Issued on: 2004-4-30 Price(USD): 145.0 |
GB/T 12690.1-1990 Lanthanum oxide--Determination of cerium oxide, praseodymium oxide, nedeodynium oxide, samarium oxide and yttrium oxide--Induetively coupled plasma atomic emission spectrographic method
Issued on: 1990-12-30 Price(USD): 180.0 |
GB/T 12690.1-2002 Chemical analysis methods for non-RE impurity of rare earth metals and their oxides-Determination of carbon and sulfur contents-High frequency-infrared absorptoin method
Issued on: 2002-1-1 Price(USD): 224.0 |
GB/T 12690.1-2015 Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides―Part 1:Determination of carbon and sulfur contents―High frequency-infrared absorption method
Issued on: 2015-09-11 Price(USD): 70.0 |
GB/T 12690.1-2022 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 1:Determination of carbon and sulfur contents—High frequency-infrared absorption method
Issued on: 2022-12-30 Price(USD): 120.0 |
GB/T 12690.10-1990 Gadolinium oxide--Determination of samarium oxide, europium oxide, terbium oxide, dysprosium oxide and yttrium oxide contents--Emission spectrographic method
Issued on: 1990-01-02 Price(USD): 180.0 |
GB/T 12690.10-2003 Gadolinium oxide-Determination of samarium oxide, europium oxide, terbium oxide, dysprosium oxide a
Issued on: 2004-06-01 Price(USD): 124.0 |
GB/T 12690.11-1990 Terbium oxide--Determination of lanthanum oxide, cerium oxide, praseodymium oxide, neodymium oxide, samarium oxide, europium oxide, gadolinium oxide, dysprosium oxide, holmium oxide, erbium oxide and yttrium oxide contents--Emission spectrogra
Issued on: 1990-01-02 Price(USD): 180.0 |
GB/T 12690.11-2003 Terbium oxide-Determination of lanthanum oxide,cerium oxide,praseodymium oxide,neodymium oxide,sama
Issued on: 2004-06-01 Price(USD): 100.0 |
GB/T 12690.12-1990 Neodymium and samarium--Determination of oxygen content--Impulse-infrared absorption method
Issued on: 1990-01-02 Price(USD): 180.0 |
GB/T 12690.12-2003 Neodymium and samarium-Determination of oxygen content-Impulse-infrared absorption method
Issued on: 2004-06-01 Price(USD): 130.0 |
GB/T 12690.12-2024 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 12: Determination of thorium and uranium contents—Inductively coupled plasma mass spectrum method
Issued on: 2024-4-25 Price(USD): |
GB/T 12690.13-1990 Neodymium and samarium-Determination of carbon content-High frequency-Infrared absorption method
Issued on: 1990-12-30 Price(USD): 184.0 |
GB/T 12690.13-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides - Determination of molybdenum and tungsten content - Inductively coupled plasma atomic
Issued on: 2004-6-1 Price(USD): 160.0 |
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