GOST 28954-1991 Surface active agents and detergents. Determination of anionic-active matter by manual or mechanical direct two-phase titration procedure
GOST 6732.2-1989 Organic dyes, intermediates for dyes, auxiliary compounds for textiles. Sampling methods*, 2023-12-22 Update
ISO 1042:1983 Laboratory glassware; One-mark volumetric flasks
ISO 385-1:1984 Laboratory glassware; Burettes; Part 1 : General requirements
ISO 607:1980 Surface active agents and detergents; Methods of sample division
ISO 648:1977 Laboratory glassware; One-mark pipettes
GOST 28954-1991 history
1991GOST 28954-1991 Surface active agents and detergents. Determination of anionic-active matter by manual or mechanical direct two-phase titration procedure