Converting tsp/gal to ppm

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Converting tsp/gal to ppm

Postby williehd1 » Thu Jul 31, 2008 2:58 am

Please convert 1/4 tsp per 2 gallons of water into ppm.
1/2 tsp per 2 gallons of water into ppm
1 tsp per 2 gallons of water into ppm
and 1 tblspn per 1 gallon of water into ppm.

Thanks! (This is for chlorine concentrations).
williehd1
 
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Joined: Thu Jul 31, 2008 2:50 am

Re: Converting tsp/gal to ppm

Postby Guest » Thu Jul 31, 2008 4:37 am

williehd1 wrote:Please convert 1/4 tsp per 2 gallons of water into ppm.
1/2 tsp per 2 gallons of water into ppm
1 tsp per 2 gallons of water into ppm
and 1 tblspn per 1 gallon of water into ppm.

Thanks! (This is for chlorine concentrations).


Ppm can be stated on a weight, volume, or mole fraction basis. The results are generally different according to which basis is used.

We only have info to do by volume, but a solid that dissolves in a liquid would probably be stated on weight/weight basis. Never mind.

2 gallons is 256 fl oz
1 teaspoon is 1/6 fl oz, 1/4 teaspoon is 1/24 fl oz

So 1/4 teaspoon in 2 gallons is 1/24 floz / 256 fl oz or 0.000163, or 163 ppm.

1/2 teaspoon is 326, and 1 teaspoon is 651. That's in the 2 gallon bucket, not in the swimming pool.
Guest
 

Postby Guest » Thu Jul 31, 2008 4:53 am

Thank you! This is for sanitizing solutions for temporary food facilities. They are required to have 100 ppm chlorine solutions for sanitizing. It is easier for them to understand teaspoons-per-gallon than it is to understand parts-per-million.
Guest
 


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