ppm = part per million/sejuta
80 ppm ==> 80 gram dalam 1.000.000 ml
Maka dalam 100 ml bagi 10.000
80/10.000 = 0,008 gram
80 %asam ppm di tambah 100ml nanti di tamabah ppm berati 180 ppm
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ppm = part per million/sejuta
80 ppm ==> 80 gram dalam 1.000.000 ml
Maka dalam 100 ml bagi 10.000
80/10.000 = 0,008 gram
80 %asam ppm di tambah 100ml nanti di tamabah ppm berati 180 ppm