RS ISO 2271: 1989 SURFACE ACTIVE AGENTS — DETERGENTS — DETERMINATION OF ANIONIC-ACTIVE MATTER BY MANUAL OR MECHANICAL DIRECT TWO-PHASE TITRATION PROCEDURE
7,500.00
2
15,000.00
2
Rwanda Standards
RS ISO 456: 1973 SURFACE ACTIVE AGENTS — ANALYSIS OF SOAPS — DETERMINATION OF FREE CAUSTIC ALKALI