Sodium and potassium silicates for industrial use -- Calculation of the ratio : silicon dioxide/sodium oxide or silicon dioxide/potassium oxide
适用范围:The document specifies the formula for the calculation. In this ratio, only sodium oxide and potassium oxide combined in the form of silicates is considered. Replaces ISO Recommendation R 1689-1970.
发布日期:1976-02-01 实施日期:1976-02-01
Chemical analysis methods and determination of physical performance of alumina-Determination of sodium oxide content
适用范围:方法1 火焰光度法 本标准规定了氧化铝中氧化钠量的测定方法。 本标准适用于气氧化铝中氧化钠量的测定。测定范围:0.01%~1.20%。方法2 火焰原子吸收光谱法 本标准规定了握拳化铝中氧化钠含量的测定法。 本校规适用于氧化...
发布日期:2004-02-05 实施日期:2004-07-01
Rubber -- Determination of total sulfur content -- Part 2: Sodium peroxide fusion method
适用范围:Is applicable to NR, CR, SBR, BR, IR, IIR, EPDM, NBR, and ebonite (see ISO 1629). The principle of the method is oxidation with sodium peroxide, conversion of sulfur to sulfate ions, and determination ...
发布日期:1992-07-01 实施日期:1992-07-01
Chemicals used for treatment of water intended for human consumption. Sodium aluminate
实施日期:2004-11-01
Testing of raw materials for the production of glass; chemical analysis of arenaceous quartz with at least 98 % silica, determination of NA<(Index)2>O and K<(Index)2>O
适用范围:Testing of raw materials for the production of glass; chemical analysis of arenaceous quartz with at least 98 % silica; determination of Na20 and K2OEssai des matières premières pour la production du v...
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...
适用范围:This part of ISO 21079 specifies flame atomic absorption spectrophotometry (FAAS) and inductively coupledplasma emission spectrometry (ICP-AES) methods for the analysis of AZS (alumina, zirconia, and s...
实施日期:2008-04-15
Standard Test Method for Major and Minor Elements in Combustion Residues from Coal Utilization Processes
发布日期:2013-10-15 实施日期:2013-10-15
适用范围:本标准适用于五氧化二钒中氧化钠和氧化钾量的测定。测定范围:氧化钠和氧化钾量0.30~2.00%。 本标准遵守GB 1467-78《冶金产品化学分析方法标准的总则及一般规定》。
实施日期:2006-10-11
Hochleistungskeramik. Prüfverfahren für keramische Pulver. Bestimmung von Verunreinigungen in Aluminiumoxidpulver Advanced technical ceramics. Methods of test for ceramic powders. Part 1:Determination ...
适用范围:This Part of EN 725 specifies one fusion and one acid dissolution method for the determination of elements ofsodium, potassium, iron, silicon, calcium and magnesium present as impurities in alumina usi...
实施日期:2007-10-31
实施日期:2008-06-01
Testing of raw materials for the production of glass; chemical analysis of arenaceous quartz with at least 98 % silica, general statements and guidelines
适用范围:Testing of raw materials for the production of glass; chemical analysis of arenaceous quartz with at least 98% silica; general statements and guidelinesEssai des matières premières pour la production d...
Glas und Glasgeraete. Chemische Analyse von Extraktionsloesungen. Flammenphotometrische Verfahren zur Bestimmung von Natriumoxid und Kaliumoxid Analysis of Extract Solutions of Glass Part 2:Method for ...
适用范围:This part of ISO 10136 specifies the analytical meth-ods of flame spectrometry, using either atomic emis-sion (also in the filter flame spectrometer technique) or atomic absorption spectrometry, for me...
实施日期:1993-01-01
Testing of glass - Chemical analysis of colourless soda-lime-glass - Part 8: Determination of Na<(Index)2>O and K<(Index)2>O by flame atomic emission spectroscopy (F AES)
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