Plugs, socket-outlets and couplers for industrial purposes - Part 1: General requirements
Applies to plugs and socket-outlets, cable couplers and appliance couplers, with a rated operating voltage not exceeding 690 V d.c. or a.c, 500 Hz a.c. and a rated current not exceeding 250 A, primarily intended for industrial use, either indoors or outdoors when the ambient temperature does not normally exceed 40°C.
Operating conditions for industrial-process measurement and control equipment. Part 2: Power
Gives the limiting values for power received by land-based and offshore industrial-process measurement and control systems or parts of systems during operation. Maintenance and repair conditions are not considered.
Condensed phosphates for industrial use (including foodstuffs) — Determination of chloride content —...
Applicable to products having contents expressed in chlorine equal to or more than 30 mg/kg. Potentiometric titration of the chloride ions with standard volumetric silver nitrate solution in a nitric acid-acetone-water medium, at a temperature below 20 0C, using a silver measurement electrode and a colomel reference electrode or a pair of silver-mercury(I) sulphate electrodes. Has also been…