111142 Residual Hardness Test Metode: kolorimetri dengan kartu berwarna 0.04 - 0.08 - 0.15 °d 0.05 - 0.1 - 0.19°e 0.7 - 1.4 - 2.7 mg/l CaCO₃ MQuant®
The residual hardness is measured semiquantitatively by visual comparison of the colour of the measurement solution with the colour fields of the colour card.Simpan pada +15°C hingga +25°C.