Answer Posted / sankarsana nahak -00971-503190

1%=?ppm

1PPM=1MG IN 1000ML OR
1PPM=1000MCG IN 1000ML OR 1MCG IN 1 ML

SO 1% MEANS 1GM IN 100ML
IS EQUAL TO 1000MG IN 100ML
IS EQUAL TO 1000,000MCG IN 100ML
WHICH GIVES CLEARLY
10000 MCG PER ML.

1MCG/ML = 1 PPM
10,000MCG/ML= 10,000 PPM

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