Pruefmethoden fuer Aluminiumfluorid fuer industrielle Anwendung. Bestimmung des Feuchtigkeitsgehalts (gravimetrische Methode) Methods of Test for Aluminium Fluoride for Industrial Use Part 6:Determinat...
适用范围：Test for aluminium fluoride and cryolite.
实施日期：1980-01-01
Aluminium ores - Experimental methods for checking the precision of sampling
适用范围：本标准规定了检验铝土矿取样精度的实验方法，并按照 GB / T 25945 一 2010 ( 150 8685 ）规定，以标准偏差的形式表示。本标准适用于检验铝土矿的取样精度。
发布日期：2010-12-23 实施日期：2011-09-01
Aluminium ores -- Experimental methods for checking the bias of sampling
适用范围：Specifies experimental checking methods, if the sampling is carried out in accordance with ISO 8685 or ISO 6140. Describes the analysis of experimental data as well as sampling and sample preparation m...
发布日期：1991-08-31 实施日期：1991-08-31
Aluminium ores -- Preparation of pre-dried test samples
适用范围：The samples are to be used for the determination of analytical values of constituents in aluminium ores on a dry basis. The method does not apply, when the analytical constituent to be calculated on a ...
发布日期：1985-12-01 实施日期：1985-12-01
Aluminium ores -- Preparation of samples
适用范围：Specifies methods of treatment of gross samples and subsamples in order to preparate samples for the determination of moisture, chemical analysis and physical testing. Annex A forms an integral part of...
发布日期：1991-11-01 实施日期：1991-11-01
Aluminium ores - Determination of vanadium content -- BPHA spectrophotometric method
适用范围：Is applicable to ores containing between 0,005 % (m/m) and 0,1 % (m/m) of vanadium pentoxide. Specifies principle, reagents, apparatus, sampling and samples, procedure, expression of results and test r...
发布日期：1989-10-01 实施日期：1989-10-01
Cryolite, natural and artificial -- Conventional test for evaluation of free fluorides content
适用范围：ISO/TR 4277:2009 describes a conventional test for the evaluation of the free fluorides content of natural, artificial and recovered cryolite. This method is applicable to products having free fluoride...
发布日期：2009-11-01 实施日期：2009-11-01
Aluminium ores -- Determination of the moisture content of bulk material
适用范围：Applies to the samples taken from bulk aluminium ores. Annex A specifies a method to be used when it is difficult to carry out sieving, crushing and dividing owing to the sample being adhesive or exces...
发布日期：1989-07-31 实施日期：1989-07-31
Cryolite, natural and artificial -- Determination of iron content -- 1,10- Phenanthroline photometric method
适用范围：Applies for the determination of natural and synthetic materials having a molar ratio sodium fluoride/aluminium trifluoride between 3 and 1,7 approximately. The method is applicable to products having ...
发布日期：1976-09-01 实施日期：1976-09-01
Cryolite, natural and artificial -- Determination of fluorine content -- Modified Willard-Winter method
适用范围：Specifies the determination for natural and synthetic materials having a molar ratio sodium fluoride/aluminium trifluoride between 3 and 1,7 approximately. The principle consists in fusion of a test po...
发布日期：1976-09-01 实施日期：1976-09-01
Aluminium ores - Experimental determination of the heterogeneity of constitution
适用范围：本标准规定了铝土矿测定（要求确定最小样品质量）质量特性偏差的试验方法。本标准适用于铝土矿质量特性偏差的测定。
发布日期：2010-12-23 实施日期：2011-09-01
Aluminium ores -- Experimental methods for checking the precision of sampling
适用范围：Specifies the experimental methods to be applied for checking the precision of sampling of aluminium ores, expressed in terms of the standard deviation, being carried out in accordance with the methods...
发布日期：1995-03-01 实施日期：1995-03-01
Cryolite, natural and artificial -- Determination of silica content -- Reduced molybdosilicate spectrophotometric method
适用范围：Specifies methods of test for natural and synthetic materials having a molar ratio sodium fluoride/aluminium trifluoride between 3 and 1,7 approximately. The method is applicable to products the phosph...
发布日期：1976-09-01 实施日期：1976-09-01
Pruefmethoden fuer Kryolith. Bestimmung des Calciumgehalts Methods of Test for Cryolite Part 8:Determination of Calcium Content Methodes d'essai pour la cryolithe. Dosage du calcium
适用范围：This International Standard specifies a flame atomic absorption method for the determination of the calcium content of natural and artificial cryolite.
实施日期：1980-01-01
Aluminium ores -- Determination of aluminium content -- EDTA titrimetric method
适用范围：The method is applicable to products having aluminium contents, expressed as aluminium oxide, in the range 30 to 65 % (m/m). Specifies principle, reagents, apparatus, sampling and samples, procedure, e...
发布日期：1986-04-01 实施日期：1986-04-01
Aluminium ores -- Determination of total iron content -- Titanium trichloride reduction method
适用范围：Specifies a titrimetric method, free from mercury pollution, using potassium dichromate as titrant after reduction of the trivalent iron by tin(II) chloride and titanium(III) chloride. Applies to ores ...
发布日期：1991-12-01 实施日期：1991-12-01
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