You need to know the "molar/molecular weight" (MW) of what ever it is you are measuring. The molar weight is the mass of one mole (6.02214×10^23 copies) of a substance. (By the way 6.02214×10^23 is known as Avagardo's number). So if one mole of a substance weighed 1 g, then in 1 ug there would be 6.02214x10^20 copies. Further, what you do is this: copies/ml = ug/ml x (MW/1000) x L MW is generally given as g/mol thus you need to divide by 1000 go get ug/mol. L is Avagardo's number.
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1ppm is greater than 1ppb. Reason: ppm is mg/l and ppb is ug/l. And mg is always greater than ug. 1ng = 1000ug 1ug = 1000mg 1mg= 1000kg.... Hope this information helps. Regards, Nazia Farooqui Heriot Watt University, Scotland.
1ug=10^-6g Therefore 10ug would equal 0.00001g
Divide by 1000. Or multiply with .001
1 nanogram (ng) = 0.001 microgram (ug). 1 milliliter (mL) = 0.01 deciliter (dL) (ng / mL) * (ug / ng) * (mL / dL) = ug / dL Therefore, 1 ng / mL = (1 ng / mL) * (0.001 ug / ng) * (mL / 0.01 dL) = 0.1 ug / dL
400ppm
0.005 ug/ml
Take 13.0 mL of the first solution ( 50 ug/mL) and dilute it up to 50.0 mL, you'll get the second solutionconcentration ( 13 ug/mL). Proof: 13.0 mL x 50 ug/mL of 1st = 50.0 mL x 13 ug/mL of in 2nd [Control: by units] 650 ug in 1st = 650 ug in 2nd
Multiply the number in mg by 1,000 to get the same weight in micrograms (ug)
You divide the number of micrograms (ug) by 1000.
0.000001
1 mg = 1,000 ug 1 mg per Liter = 1,000 ug per Liter. 1 mg per Liter is 1,000 times as concentrated as 1 ug per Liter.
There are 0.1mg in 100 micrograms (ug). You have to divide by 1000 to convert ug to mg.
0.000766 grams.
12.5ug Chromium in iu