Magnesium and magnesium alloys — Determination of iron — Orthophenanthroline photometric method
The method is applicable to the determination of iron content between 0,002 and 0,05 % in magnesium and magnesium alloys other than those containing zirconium. Specifies principle and procedure of the method, the reagents, apparatus, sampling, expression of results and test report.
Aluminium and aluminium alloys — Determination of iron — Orthophenanthroline photometric method
The method is applicable to the determination of iron content between 0,05 and 2,5 % in aluminium and aluminium alloys. The method does not apply completely to unalloyed aluminium, aluminium-silicon alloys and any other aluminium alloy that is not easily attacked with hydrochloric acid (see annex A) and alloys containing copper, zinc and nickel (see annex B).
Magnesium and magnesium alloys — Determination of manganese — Periodate photometric method (Manganes...
The method is applicable to the determination of manganese content in magnesium and magnesium alloys which do not contain zirconium, rare earths, or thorium. Specifies principle and procedure of the method, the reagents, apparatus, sampling, expression of results and test report.
Aluminium and aluminium alloys — Determination of silicon — Spectrophotometric method with the reduc...
The method is applicable to the determination of silicon contents between 0,02 and 0,4 % (m/m) in aluminium and aluminium alloys. The method is not applicable to alloys containing tin or bismuth. Specifies principle and procedure of the method, the reagents, apparatus, sampling, expression of results and test report.
Magnesium and magnesium alloys — Determination of silicon — Spectrophotometric method with the reduc...
The method is applicable to alloys having silicon contents between 0,01 and 0,6 %. The method does not apply to alloys containing rare earths or thorium. Specifies principle and procedure of the method, the reagents, apparatus, sampling, expression of results and test report.
Aluminium and aluminium alloys — Determination of manganese — Photometric method (Manganese content ...
The method does not apply completely to alloys with a silicon content higher than 10 % and a manganese content less than 0,1 % (see annex) and aluminium alloys containing tin, antimony, bismuth, zirconium, etc. Specifies principle and procedure of the method, reagents, apparatus, sampling, expression of results and test report.
Crude glycerine for industrial use — Calculation of Matter (Organic) Non-Glycerol (MONG)
This determination is preferred to that of the non-volatile organic residue, which is more lengthy and leads to less reproducible results. The matter represents, by convention, the difference obtained by subtracting from 100 th sum of the contents of glyceral, ash and water. The determination of the glyceraol content, determination of ash and the determination of water are carried out by…
Copper and copper alloys — Determination of manganese — Spectrophotometric method
The method is applicable to copper and all copper alloys, bronzes, brasses, copper-nickels and copper-aluminiums having manganese contents equal to or less than 6 %, which can be attacked under the conditions given in this International Standard. ISO 2543 specifies principle, reagents, apparatus, sampling, procedure, expression of results and test report.
Potassium hydroxide for industrial use — Determination of carbon dioxide content — Titrimetric metho...
Applicable to products having CO2 contents of more than 0.01 % (m/m). Three cases are envisaged. The product containing neither sulphides nor chlorates or containing sulphides or chlorates. The principle in presence of neither sulphides nor chlorates consists in liberation of carbon dioxide in a flow of gas and absorption in an excess of standard volumetric barium hydroxide solution. Titration of…
