1 ppb = 1 Ug/Nm3 is that right?

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1 part per billion, it is the same as 1 microgram/Normal cubic metre?

2006-06-25 20:57:00 · 3 answers · asked by Slamet W 1 in Science & Mathematics ➔ Engineering

I ug is a 1billionth part of a cubic meter of water
1m3 of water weighs 1000kg or 1,000,000,000 micro grams

2006-06-26 01:25:12 · answer #1 · answered by Bazza66 3 · 0⤊ 0⤋

doesn't it depend on density?

2006-06-26 04:10:32 · answer #2 · answered by Jesters Deadd 2 · 0⤊ 0⤋

2006-06-27 06:50:06 · answer #3 · answered by Anonymous · 0⤊ 0⤋