共找到 306 条与 锰矿 相关的标准,共 21 页
The photometric method (A) is applicable to products having aluminium contents from 0,1 to 1,5 % (m/m), the oxine gravimetric method (B) is applicable to products having aluminium contents over 1,5 % (m/m). Cancels and replaces the first edition (ISO 4295:1978), of which it constitutes a technical revision. Should be read in conjunction with ISO 4297.
Manganese ores and concentrates; determination of aluminium content; photometric and gravimetric methods
Methods for determination of phosphorus in manganese ores
Manganese ores. Determination of active oxygen content, expressed as manganese dioxide. Titrimetric method.
Настоящий стандарт распространяется на марганцевые руды, концентраты и агломераты и устанавливает атомно-абсорбционный метод определен
Manganese ores, concentrates and agglomerates. Method for determination of lead
Настоящий стандарт распространяется на марганцевые руды, концентраты и агломераты и устанавливает гравиметрический метод определения о
Manganese ores, concentrates and agglomerates. Methods for determination of barium oxide
Метод основан на высушивании пробы в сушильном шкафу при (105+ -5) град. С до постоянной массы и определении потери ее массы
Manganese ores, concentrates and sinters. Gravimetric method for determination of moisture content
Manganese ores and concentrates. Determination of lead content. Polarographic methods.
Manganese ores and concentrates. Determination of total iron content. Titrimetric method after reduction and sulfosalicylic acid spectrophotometric method.
Manganese ores. Determination of lead content. Gravimetric determination.
Manganese ores. Determination of arsenic content. Spectrophotometric and volumetric determinations.
This third edition cancels and replaces the second edition (ISO 312-1980), of which it constitutes a minor revision. Specifies principle, reagents, apparatus, sample, procedure and expression of results. A figure gives an example of apparatus.
Manganese ores; Determination of active oxygen content, expressed as manganese dioxide; Titrimetric method
Method A is applicable to products having a total iron content from 1 to 25 % (m/m), and method B is applicable to products having a total iron content from 0.2 to 2 % (m/m). ISO 7990 should be read in conjunction with ISO 4297. Specifies principle, reactions (method A only), reagents, apparatus, sampling and samples, procedure and expression of results.
Manganese ores and concentrates; Determination of total iron content; Titrimetric method after reduction and sulfosalicylic acid spectrophotometric method
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 principle, reagents, apparatus, sampling and samples, procedure and expression of results.
Manganese ores and concentrates; Determination of calcium and magnesium contents; Flame atomic absorption spectrometric method
The method is applicable to products having sodium contents from 0,02 to 1,0 % (m/m), and potassium contents from 0,08 to 3,0 % (m/m). ISO 7969 should be read in conjunction with ISO 4297. Specifies principle, reagents, apparatus, sampling, procedure and expression of results.
Manganese ores and concentrates; Determination of sodium and potassium contents; Flame atomic absorption spectrometric method
Manganese ores and concentrates — Determination of lead content — Polarographic methods
The extraction-spectrometric method (A) is applicable to products having copper contents up to 0,5 % (m/m), the spectrometric method (B) is applicable to products having copper contents from 0,1 to 1 % (m/m). Cancels and replaces the first edition (ISO 4294-1978), of which it constitutes a minor revision. ISO 4294 should be read in conjunction with ISO 4297.
Manganese ores and concentrates; Determination of copper content; Extraction-spectrometric and spectrometric methods
The method is applicable to the determination of a manganese content equal to or greater than 15 % (m/m). ISO 4298 should be read in conjunction with ISO 4297. Specifies principle, reactions, reagents, apparatus, sampling, procedure and expression of results.
Manganese ores and concentrates; Determination of manganese content; Potentiometric method
Two methods are specified. Method A is applicable to products having a nickel content of 0.01 to 1.0 % (m/m), method B is applicable to products having a nickel content of 0.005 to 1.0 % (m/m). Both methods specify principle, reactions (method A only), reagents, apparatus, sample, procedure and expression of results.
Manganese ores and concentrates; Determination of nickel content; Dimethylglyoxime spectrometric method and flame atomic absorption spectrometric method
The method is applicable to products having a titanium content of 0,01 to 0,5 % (m/m). ISO 7723 should be read in conjunction with ISO 4297. Specifies principle, reagents, apparatus, sample, procedure and expression of results.
Manganese ores and concentrates; Determination of titanium content; 4,4'-Diantipyrylmethane spectrometric method
Specifies methods for taking samples of manganese ores to be used at the places of dispatch and acceptance of ores for determining the chemical composition and moisture content of a consignment.The methods are applicable to both the manual and mechanical sampling of natural or processed ores. Details of the hammer and shovel method are given in the annex.
Manganese ores; Sampling; Part 1 : Increment sampling
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