The abbreviation “ppm” is short for “Parts Per Million.” 1 ppm equals 0.0001%. 1000 ppm is equal to 0.1%. 10,000 ppm is equal to 1.0%

The abbreviation “ppm” is short for “Parts Per Million.” 1 ppm equals 0.0001%. 1000 ppm is equal to 0.1%. 10,000 ppm is equal to 1.0%
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