GOST 4919.1-1977 Reagents and matters of special purity. Methods for preparation of indicators solutions
GOST 67 Cross-over of communication lines and radiofication with ground electrotransport contact networks. Technical requirements
GOST OIML R 111-1-2009 State system for ensuring the uniformity of measurements. Weights of classes E1, E2, F1, F2, M1, M1-2, M2, M2-3 and M3. Part 1. Metrological and technical requirements
GOST 32467-2013 history
2013GOST 32467-2013 Urea for industrial use. Determination of nitrogen content. Titrimetric method after distillation
1988GOST 27749.0-1988 Carbamid. Method of nitrogen content determination