Sodium chlorate for industrial use — Determination of chloride content — Mercurimetric method
The method is applicable to products with a content greater than 0,01 % (m/m). It is not applicable to the analysis of mixtures of products such as herbicides and insecticides. The principle consists in titration of the chloride ions with mercury(II) nitrate in the presence of diphenylcarbazone as indicator.
Sodium chloride for industrial use — Determination of calcium and magnesium contents — EDTA complexo...
The method is applicable to water-soluble salts for contents greater than 0,001 % (m/m). In a special case, the determination of ions in a principal solution prepared in an acid medium is pooible. The principle consists in dissolution of a test portion and separation of insoluble matter. Titration of the filtrate obtained according to ISO 2479 using disodium ethylendiamintetraacetate (EDTA) in…
Sodium hydroxide for industrial use — Determination of chloride content — Mercurimetric method
The method is applicable to products of which the chloride content is greater than 0.005 % (m/m). The procedure based on titration of the chloride ions with mercury(II) nitrate in the presence of diphenylcarbazone as indicator. - Replaces ISO Recommendation R 981-1969.
Chemical analysis of aluminium and its alloys — Complexometric determination of magnesium
The method is applicable to the determination of magnesium contents between 0,1 and 12 % (m/m). Specifies principle and procedure of the method, the reagents, apparatus, sampling, expression of results and test report.
Sodium carbonate for industrial use — Determination of chloride content — Mercurimetric method
The method is applicable to products of which the sodium chloride content is greater than 0,005 % (m/m). The prinziple consists in titration of the chloride ion with mercury(II) nitrate solution in the presence of diphenylcarbazone as indicator. Cancels and replaces ISO Recommendation R 742-1968.
Sodium chloride for industrial use — Determination of the loss of mass at 110 degrees C
Specifies a method for the determination of the conventional moisture content. The principle consists drying of a test portion in an oven at (110 +- 2) °C to constant mass.
Method of measurement of non-linearity in resistors
Standardizes a method of measurement and associated test conditions for determining the magnitude of non-linear distortion generated in a resistor. Has the status of a technical report.
The contents of the corrigendum of September 1974 have been included in this copy.
Sodium chloride for industrial use — Determination of sulphate content — Barium sulphate gravimetric...
The method is applicable to water soluble sulphate, in the product, but also to sulphates in a principal solution prepared in an acid medium. The principle consists in dissolution of a test portion and separation of the insoluble residue. Precipitation of the sulphate ions by barium chloride in a boiling acid medium. Filtration, washing and ignition of the precipitate. Weighing of the residue.
