Rechercher

The procedure is based on the potentiometric titration of the free acidity in a test portion with a standard volumetric triethylamine solution in anhydrous methyl ethyl ketone (butanone). - ISO 1390, Parts 1 to 6, replace ISO Recommendation R 1390-1970.

The principle consists in the dissolution of a test portion in diluted standard volumetric sodium hydroxide solution and titration with standard volumetric sodium hydroxide solution in presence of phenolphthalein as indicator. - ISO 1390, Parts 1 to 6, replace ISO Recommendation R 1390-1970.

Relates to C6 to C13 alcohols. The principle consists in titration of a test portion with standard volumetric sodium hydroxide solution, in ethanolic, using phenolphthalein as indicator. The result is expressed in milliequivalents per kilogram. Alternatively, the acidity may also be expressed in terms of the acid value.

Relates to C6 to C13 alcohols. The principle bases on reaction of carbonyl compounds present in a test portion with hydroxylammonium chloride to from an oxime, and potentiometric titration of the hydrochloric acid liberated with standard volumetric ethanolic potassium hydroxide solution.

Relates to C6 to C13 alcohols. The principle of the method consists in titration of test portion with standard volumetric potassium bromide/bromate solution in the presence of methyl orange as indicator.

This International Standard gives guidance to both manufacturers and users of machine tools on the information that should be provided and followed regarding the lubrication instructions.

The dimensions of weft pirns for automatic looms are specified. The dimensions shall be as shown in the tables (table 1: Dimensions - dimensions in national standards may lie anywhere within the indicated range -; table 2: Length and diameters). Dimensions of the pirn tip shall be as given in ISO 1131.