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#21
01-02-2010, 03:34 PM
 Unregistered Guest Posts: n/a
Re: mg/kg

i have to take 5mg for every kg of weight (130 lbs) pills are 100mcg each. what do i take?
#22
01-02-2010, 11:59 PM
 Mrs X can't count, can't spell! Join Date: Feb 2006 Location: New Zealand Posts: 2,288 Rep Power: 11
Re: mg/kg

Quote:
 Originally Posted by Unregistered what do i take?
PLEASE take a trip to your doctor. The calucation leaves you taking 1000's of pills, so something is wrong with the dosage, or with your understanding of it.
#23
03-09-2010, 12:47 AM
 Unregistered Guest Posts: n/a
Re: .1 mg/kg to ppm

Quote:
 Originally Posted by Unregistered Convert lead concentrations in ash from mg/kg to ppm
0.1 mg/kg to how many ppm
#24
03-09-2010, 02:38 AM
 JohnS Double Ultimate Supreme Member Join Date: Dec 2007 Location: SE Michigan, USA Posts: 8,700 Rep Power: 17
Re: .1 mg/kg to ppm

Quote:
 Originally Posted by Unregistered 0.1 mg/kg to how many ppm
Provided you want ppm on a weight over weight basis, 0.1 ppm.
This is because 1 kg = 1 million mg.
#25
04-06-2010, 11:59 PM
 Unregistered Guest Posts: n/a
Re: mg/kg to ppm

Convert 5mg/10ml to ppm
#26
05-06-2010, 09:47 AM
 dawd Guest Posts: n/a
Re ppm to mg/kg

convert 0.073 ppm of iron from 0.5g ashed solid sample and diluted in to 50ml solution
in to mg/kg.

Thanks
#27
05-07-2010, 11:32 AM
 Mrs X can't count, can't spell! Join Date: Feb 2006 Location: New Zealand Posts: 2,288 Rep Power: 11
Re: Re ppm to mg/kg

Quote:
 Originally Posted by dawd convert 0.073 ppm of iron from 0.5g ashed solid sample and diluted in to 50ml solution in to mg/kg. Thanks
Hi David, maybe you are looking at the problem backwards.

I gather your results from the solution are 0.073ppm (assume mg/L) Fe.

You only have 50mL, so you have to work out the proportion of Iron in that volume: 50/1000 x 0.073mg = 0.00365mg.

The amount of iron in your sample is 0.00365mg. Now you need to work out how much there is in 1kg: 1000/0.5 x 0.00365 = 7.3mg/kg
#28
05-25-2010, 12:41 AM
 Unregistered Guest Posts: n/a
Re: mg/kg to ppm

Hi
can u convert 30ppm to mg/kg?
#29
07-09-2010, 04:32 AM
 Unregistered Guest Posts: n/a
Re: mg/kg to ppm

If given .1 mg/kg of water content in fuel, and I need to convert that to PPM, how would I go about doing that?
#30
07-09-2010, 04:47 AM
 JohnS Double Ultimate Supreme Member Join Date: Dec 2007 Location: SE Michigan, USA Posts: 8,700 Rep Power: 17
Re: mg/kg to ppm

Quote:
 Originally Posted by Unregistered If given .1 mg/kg of water content in fuel, and I need to convert that to PPM, how would I go about doing that?
see posts 23 and 24 in this thread

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