Hydrogen Sulfide Safety! H2S ! concentration unit! Measurment in percentage and PPM 

this is basic information for our knowledge refreshment that what is difference measurement unit Percentage and parts per million (PPM)which are two different units of measurement used to express the concentration of a substance in a mixture, but they represent different scales of measurement.
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#airborne
#gasconcentation
#chemicalmixture
#whatisppm
#convertpercentagetoppm
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#h2sgas
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#H2Smeasurment
#hazardousgas

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