Chemical fertilizer products-standard volumetric stndard reagent and indicator solutions for chemical analysis
发布日期:1997-02-24 实施日期:1997-10-01
Verfahren zur Analyse von Glas. Glas aus Kalk-Natron-Magnesiumoxid Methods for the Analysis of Glass Part 1:Glasses of the Soda-Lime-Magnesia-Silica-Type Methodes d'analyse de verre. Verres silicieux s...
实施日期:1988-02-29
Haemiglobincyanide (cyanmethaemoglobin) preparation as a standard for spectrometric haemoglobinometry
Determination of selenium content in selenium--Thiosulfate volumetric method
Vulcanized rubber-Determination of metal content--Flame atomic absorption spectrometric method--Part4: Determination of iron content
实施日期:1990-01-01
Chemical analysis of refractories containing alumina,zirconia,and silica. Refractories containing 5 % to 45 % of zro2 (alternative to the x-ray fluorescence method). Part 3:Flame atomic absorption spec...
实施日期:2008-04-15
Inorganic chemicals for industrical use Preparations of standard and reagent solutions for chemical analysis Part 2:Preparations of standard solutions for impurity
发布日期:2011-12-20 实施日期:2012-07-01
Chemical analysis of refractories containing alumina, zirconia and silica - Refractories containing 5 % to 45 % of ZrO<2> (alternative to the X-ray fluorescence method) - Part 2: Wet chemical analysis
实施日期:2008-08-01
Chemical reagent--Preparations of standard solutions for impurity
发布日期:2002-10-15 实施日期:2003-04-01
German standard methods for the examination of water, waste water and sludge - Cations (group E) - Part 33: Determination of manganese by atomic absorption spectrometry (E 33)
Methods for analysis and testing of coal and coke. Analysis of coal ash and coke ash
实施日期:2007-06-01
Chemical reagent-Preparations of standard volumetric solutions
发布日期:2002-10-15 实施日期:2003-04-01
Verfahren zur Analyse von Glas. Glas aus Kaliumoxid-Blei(II)-Siliziumoxid Methods for the Analysis of Glass Part 3:Glasses of the Potassium Oxide-Lead Oxide-Silica Type Methodes d'analyse du verre. Ver...
实施日期:1988-02-29
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