PPM is an abbreviation for parts per million. If you have 1000ppm, then you have 1000 parts "A" per every million parts of your mixture. Therefore, the substance you are measuring is .1% part "A."
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1000 ppm stands for "parts per million" and is used to express the concentration of a substance in a solution. In this case, it means that there are 1000 units of the substance for every million units of the solution.
To dilute 1000 ppm to 500 ppm, you need to add an equal amount of the solution without any concentration. For example, if you have 1 mL of the 1000 ppm solution, you would need to add 1 mL of water to make it 500 ppm.
1000 ppm is equivalent to 1 milligram per milliliter.
To convert parts per billion (ppb) to parts per million (ppm), you divide by 1000. So, 28 ppb is equal to 0.028 ppm.
1000 ppm = 1 ppb I think equation to convert ppm to ppb is: 1 ppm = 1000 ppb, or 1 ppb = 1/1000 ppm * * * * * Wrong way around, I am afraid. 1000 parts per billion is 1 ppm. To convert ppb to ppm divide by 1000.
Assuming you really mean 1 g/ml (which is very high), then ... convert 1 gm/ml to mg/liter to get ppm1 g = 1000 mg 1 ml = 0.001 L 1000 mg/0.001 L = 1,000,000 mg/L = 1,000,000 ppm