Phosphoric acid and sodium phosphates for industrial use (including foodstuffs) — Determination of f...
Applicable to products the F content of which is equal to or more than 0.5 mg/kg. Specifies the separation of the element from a test portion by steam distillation in a phosphoric acid medium. Formation of a blue-coloured complex with a combined reagent alizarin complexone/lanthanum nitrate in a buffered medium at the pH of 4.6. Addition of acetone to increase the stability of the complex and the…
Textile machinery and accessories — Paper patterns for dobbies — Dimensions
The dimensions of paper patterns for dobbies for use in the textile industry are specified. The dimensions are shown in a figure, and the values of the dimensions are contained in a table. - Replaces ISO Recommendation R 576-1967 and is technically identical with it.