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#1
12-16-2009, 05:28 AM
 tester Junior Member Join Date: Dec 2009 Posts: 2 Rep Power: 0
0.1 mg·L-1 = ?

Quote:

"...MS medium supplemented with 0.1 mg·L-1 IBA and 0.05 mg·L-1 NAA resulting in..."

I don't get it.

PPM?
mg/kg?
#2
12-16-2009, 06:32 AM
 JohnS Moderator Join Date: Dec 2007 Location: SE Michigan, USA Posts: 9,536 Rep Power: 19
Re: 0.1 mg·L-1 = ?

Quote:
 Originally Posted by tester Quote: "...MS medium supplemented with 0.1 mg·L-1 IBA and 0.05 mg·L-1 NAA resulting in..." I don't get it. PPM? mg/kg?
Using words instead of symbols, multiplying by something raised to the minus one power is the same as dividing by it, so 0.1 mg·L^-1 is the same as 0.1 mg/L (milligram per liter)

The superscript command doesn't render, and we usually use the caret ^ to denote raising to a power.

Edit: Now it does render. Well, anyway, it is the same as mg/L.
#3
02-22-2014, 09:39 AM
 Confused Guest Posts: n/a
Re: 0.1 mg·L-1 = ?

So how do you convert mg/l into mg/ml^-1?
#4
02-23-2014, 07:55 AM
 JohnS Moderator Join Date: Dec 2007 Location: SE Michigan, USA Posts: 9,536 Rep Power: 19
Re: 0.1 mg·L-1 = ?

Quote:
 Originally Posted by Confused So how do you convert mg/l into mg/ml^-1?
You probably mean mg/mL or mg·mL-1 (which are two ways of writing the same thing), as you couldn't convert what you wrote.

There are 1000 mL in 1 L, so multiply by 1 L/1000 mL

mg/L x 1 L/1000 mL

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