Quizzes & Puzzles1 min ago
parts per billion to parts per million
5 Answers
I have a report which quotes various chemicals in parts per billion. When I google these chemicals are normally in parts per million.
If a substance is 2.5 parts per billion what amount is it in parts per million, can't decide which way the decimal point goes|
Thanks
If a substance is 2.5 parts per billion what amount is it in parts per million, can't decide which way the decimal point goes|
Thanks
Answers
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