Aluminium ores -- Determination of titanium content -- 4,4''-Diantipyrylmethane spectrophotometric method
适用范围：The method is applicable to ores containing between 0,5 and 8 % (m/m) of titanium dioxide. Specifies principle, reagents, apparatus, sampling and samples, procedure, expression of results and test repo...
发布日期：1985-07-01 实施日期：1985-07-01
Manganese ores and concentrates -- Determination of calcium and magnesium contents -- Flame atomic absorption spectrometric method
适用范围：The method is applicable to products having calcium contents from 0,01 to 15 % (m/m) and magnesium contents from 0,01 to 4 % (m/m). ISO 7953 should be read in conjunction with ISO 4297. Specifies princ...
发布日期：1985-12-01 实施日期：1985-12-01
Methods for the petrographic analysis of bituminous coal and anthracite -- Part 4: Method of determining microlithotype, carbominerite and minerite composition
适用范围：This part of ISO 7404 applies only to determinations made on polished particular blocks using reflected white ligth. The examination is carried out by using reflected ligth microscope and point count p...
发布日期：1988-12-01 实施日期：1988-12-01
Manganese and chromium ores -- Experimental methods for checking the precision of moisture determination
适用范围：The checking applies to manganese and chromium ores, whether natural or processed, being carried out in accordance with the methods specified in the relevant International Standards. Includes condition...
发布日期：1986-11-01 实施日期：1986-11-01
Coal preparation plant -- Principles and conventions for flowsheets
适用范围：Sets out principles and conventions for use in preparation of basic process and equipment flowsheets for the design of a coal preparation plant. In order to cover the various stages leading to the fina...
发布日期：1989-11-01 实施日期：1989-11-01
Aluminium ores -- Determination of loss of mass at 1 075 degrees C -- Gravimetric method
适用范围：The method ist applicable to all aluminium ores having loss of mass values in the range of 10 to 30 %. Specifies principle, reagents, apparatus, sampling and samples, procedure, expression of results a...
发布日期：1986-03-01 实施日期：1986-03-01
Iron ores -- Determination of arsenic content -- Molybdenum blue spectrophotometric method
适用范围：The method ist applicable to a concentration range of 0,0001 to 0,1 % (m/m) (1 bis 1000 /g) of arsenic in natural iron ores, and iron ore concentrates and agglomerates including sinter products. Specif...
发布日期：1987-12-01 实施日期：1987-12-01
Iron ores -- Determination of aluminium content -- EDTA titrimetric method
适用范围：The method ist applicable to a concentration range of 0,25 to 5,0 % (m/m) of aluminium in natural iron ores, and iron ore concentrates and agglomerates including sinter products. Specifies principle, r...
发布日期：1986-10-01 实施日期：1986-10-01
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
Coke -- Determination of true relative density, apparent relative density and porosity
适用范围：For calculating the true relative density the mass of water displaced by a known masss of dry coke, ground to pass a sieve of nominal size of openings 212 um, is determined using a pyknometer. - The vo...
发布日期：1985-09-01 实施日期：1985-09-01
Manganese and chromium ores -- Experimental methods for checking the bias of sampling and sample preparation
适用范围：The checking applies to manganese and chromium ores, whether natural or processed, being carried out in accordance with the methods specified in the relevant International Standards. Includes general c...
发布日期：1986-10-01 实施日期：1986-10-01
Aluminium ores -- Determination of hygroscopic moisture in analytical samples -- Gravimetric method
适用范围：The method is applicable to products having hygroscopic moisture contents, expressed as water, between 0,1 and 5 % (m/m), and shall be used to correct the results obtained for aluminium and loss of mas...
发布日期：1985-12-01 实施日期：1985-12-01
Aluminium ores -- Determination of iron content -- Titrimetric method
适用范围：The method ist applicable to ores containing between 2 and 50 % (m/m) iron oxide. The method has been chosen to avoid interference from platinum which may occur with the use of platinum crucibles. Spec...
发布日期：1985-06-01 实施日期：1985-06-01
Manganese ores and concentrates -- Determination of total iron content -- 1,10-Phenanthroline spectrometric method
适用范围：The method is applicable to products having a total iron content from 0.1 % (m/m) to 15 % (m/m). ISO 9292 should be read in conjunction with ISO 4297. Specifies principle, reactions, reagents, apparatu...
发布日期：1988-12-01 实施日期：1988-12-01
Chemical products. Photographic grade chemical products. Sodium carbonate, anhydrous.
Chromium ores and concentrates -- Determination of silicon content -- Molecular absorption spectrometric method and gravimetric method
适用范围：The molecular absorption spectrometric method (A) is applicable to products having silicon contents from 0,05 to 0,5 % (m/m), the gravimetric method (B) is applicable to products having silicon content...
发布日期：1984-11-01 实施日期：1984-11-01
Manganese and chromium ores -- Experimental methods for evaluation of quality variation and methods for checking the precision of sampling
适用范围：Specifies experimental methods for the evaluation of quality variation of manganese and chromium ores, whether natural or processed, for the purpose of defining sampling procedure by the mass-basis sys...
发布日期：1986-11-01 实施日期：1986-11-01
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