Connecting devices for low-voltage circuits for household and similar purposes. Part 2-1. Particular requirements for connecting devices as separate entities with screw-type clamping units
Premixes. Determination of vitamins: B1 (thiaminchloride), B2 (riboflavin), B3 (pantothenic acid), B5 (nicotinic acid and nicotinamide), B6 (pyridoxine), Bc (folic acid), C (ascorbic acid) content by method of capillary electrophoresis