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how to convert grams into ppm
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Dear convert-me.com forum visitors,
Our forum has been available for many years. In September 2014 we decided to switch it to read-only mode. Month after month we saw less posts with questions and answers from real people and more spam posts. We were spending more and more resources cleaning the spam until there were less them 1 legitimate message per 100 spam posts. Then we decided it's time to stop.
All the posts in the forum will be available and searchable. We understand there are a lot of useful information and we aren't going to remove anything. As for the new questions, you can always ask them on convert-me.com FaceBook page
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how to convert grams into ppm
by dabumb » Fri Apr 22, 2005 1:58 am
i cant find out how to convert grams into ppm or ppm into grams? how does it work?
- dabumb
Re: how to convert grams into ppm
by Guest » Mon May 09, 2005 2:52 am
dabumb wrote:i cant find out how to convert grams into ppm or ppm into grams? how does it work?
- Guest
by Guest » Mon May 09, 2005 7:03 pm
Parts per million implies a mixture, and if ppm as a unit is a logical choice, it is a small amount of A mixed in a lot of B. So you have to determine grams of A in a specified amount of mixture
You have to know whether the ppm ratio is calculated on the basis of weight, volume (for solids and liquids), or mole fraction.
If on the basis of weight, you just weigh out a certain amount of the mixture (in grams or be prepared to move decimal point), multiply by the ppm number.
If on the basis of volume, you'll need to know the density, and, if on the basis of mole fractions, you'll need to know molecular weight. If you want more specific help, a more specific problem statement would help.
You have to know whether the ppm ratio is calculated on the basis of weight, volume (for solids and liquids), or mole fraction.
If on the basis of weight, you just weigh out a certain amount of the mixture (in grams or be prepared to move decimal point), multiply by the ppm number.
If on the basis of volume, you'll need to know the density, and, if on the basis of mole fractions, you'll need to know molecular weight. If you want more specific help, a more specific problem statement would help.
- Guest
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3 posts
• Page 1 of 1