Classification opinions
… %), sulphates (0.4 %), chlorides (0.014 %) and organic matter (6 %), and it has a pH of 4.93. Application of GIR 1. … %), sulphates (0.2 %), chlorides (0.0053 %) and organic matter (4.5 %), and it has a pH of 4.7. Application of GIR … %), sulphates (0.14 %), chlorides (0.025 %) and organic matter (1.5 %), and it has a pH of 6.03. Application of GIR …