共找到 146 条与 铝矿 相关的标准,共 10 页
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 report. Annex A (normative) gives the flowheet of the procedure for the acceptance of test results, annex B (informative) shows the graphical representation of precision data.
Aluminium ores; determination of vanadium content; BPHA spectrophotometric method
Method using fused cast bead technique. General requirements for instrumentation and full details of calibration and determination of correction factors.
Analysis of aluminium ores - Method for multi-element analysis by wavelength dispersive X-ray fluorescence
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 excessively wet. Annex B specifies methods of correction for sprayd water and/or rainfall.
Aluminium ores; determination of the moisture content of bulk material
Applicable to moisture contents, expressed as water (H$d2O), in the range 0.1% to 5% (m/m).
Analysis of aluminium ores. Chemical methods. Method for determination of hygroscopic moisture in analytical samples: gravimetric method
Applicable to ores containing between 0.01% and 5% (m/m) of diphosphorus pentoxide.
Analysis of aluminium ores. Chemical methods. Method for determination of phosphorus content: spectrophotometric method
Applicable to ores containing between 0.5% and 8% (m/m) of titanium dioxide.
Analysis of aluminium ores. Chemical methods. Method for determination of titanium content: spectrophotometric method
Applicable to ores containing between 30% and 65% (m/m) of aluminium oxide.
Analysis of aluminium ores. Chemical methods. Method for determination of aluminium content: EDTA titrimetric method
Applicable to ores containing between 2% and 50% (m/m) of iron oxide.
Analysis of aluminium ores. Chemical methods. Method for determination of iron content: titrimetric method
Applicable to ores containing between 1% and 25% (m/m) of silicon dioxide.
Analysis of aluminium ores. Chemical methods. Method for determination of silicon content: combined gravimetric and spectrophotometric method
Applicable to loss of mass values in the range 10% to 30% (m/m).
Analysis of aluminium ores. Chemical methods. Method for determination of loss of mass at 1075°C: gravimetric method
Samples for the determination of analytical values of constituents in aluminium ores on a dry basis.
Analysis of aluminium ores. Chemical methods. Method of preparation of pre-dried test samples
The method is applicable to materials having phosphorus contents, expressed as diphosphorus pentoxide between 0,01 and 5 % (m/m). The arsenic content of the sample does not affect the determination. Specifies principle, reagents, apparatus, sampling and samples, procedure, expression of results and test report. An annex shows the flowsheet of the procedure for the acceptance of test results.
Aluminium ores; Determination of phosphorus content; Molybdenum blue spectrophotometric method
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, expression of results and test report.
Aluminium ores; Determination of aluminium content; EDTA titrimetric method
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 dry sample basis is aluminium or for determination of loss of mass at 1 075 鳦. Specifies principle, apparatus, sampling and samples and procedure.
Aluminiumn ores; Preparation of pre-dried test samples
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 mass at 1 075 鳦 to a dry basis. Specifies principle, material, apparatus, sampling and samples, procedure, expression of results and test report.
Aluminium ores; Determination of hygroscopic moisture in analytical samples; Gravimetric method
The method is applicable to ores containing between 1 and 25 % (m/m) silicon dioxide. Specifies principle, reagents, apparatus, sampling and preparation of samples, procedure, expression of results and test report.
Aluminium ores; Determination of total silicon content; Combined gravimetric and spectrophotometric method
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 report.
Aluminium ores; Determination of titanium content; 4,4'-Diantipyrylmethane spectrophotometric method
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. Specifies principle, reagents, apparatus, sampling and preparation of samples, procedure, expression of results and test report.
Aluminium ores; Determination of iron content; Titrimetric method
Bauxite. Gravimetric method for the determination of total sulphur content
Bauxite. Photometric method for the determination of phosphorus oxide (V)
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