ppm to mg/m3 - OnlineConversion Forums
does mg/m3 basically stand for ppm, for example my meter read 2.05 mg/m3 does this mean its reading 2 ppm For gases, ppm is normally molar ratio, specifically micromoles of solute per mole of mixture.
ppm to mg/m3 - OnlineConversion Forums
May 19, 2013 · How do I convert 10 mg/m3 of acetone to ppm at STP? Easy way: Use approx. values from table 1910.1000 TABLE Z-1 - TABLE Z-1 Limits for Air Contaminants | Occupational Safety and Health Administration
ppm into mg/m3 - OnlineConversion Forums
Oct 27, 2006 · mg/m3 = (ppm*gram molecular weight of substance)/24.45 ppm = (mg/m3*24.45)/(gram molecular weight of substance) you can look up the molecular weight on wikipedia.org or a chem text. JD Industrial Hygiene Grad Student
Compressed Air; ppm to mg/m3 - OnlineConversion Forums
May 27, 2008 · I was making a presentation that cited class 1 residual oil as .01 p.p.m. and the specification actually states .01 mg/m3 (as an allowable pollutant in a compressed air stream). Assuming ISO standard 20 degrees C and 7 BarG, how does .01 p.p.m. of residual oil convert into .01 mg/m3? Is there a conversion factor I can use? Thanks, Antoine
mg/l to ppm (volume) - OnlineConversion Forums
May 20, 2010 · What makes sense is ppm=(mg/L*Vm (at 25C))/MW=1.5*24.45/18= 2 ppm ,but how this equation is received from the basic equations and the units in this case make me confused. Your detailed answer on this urgent matter would be more than appreciated.
Re: ppm to mg/m3 - OnlineConversion Forums
May 13, 2008 · Re: ppm to mg/m3 You have to specify the temperature and pressure, as the "partial density" will depend on them. Parts per million for gases is specified on the basis of mole ratios, moles of pollutant to moles of air (also true for percent for higher concentration).
ppm to mg/m3 - OnlineConversion Forums
OSHA and EPA use mg/m³ for dusts because there isn't a measure of ppm for dusts that makes sense, so the question is what machnine measured it and on what basis. Ppm is always an ambiguous term because it can be based onmass ratio, volume ratio, …
Conversion of Particles/cm3 to mg/m3 - OnlineConversion Forums
The counter gives numbers of particles for different sizes, but I need to convert it to either ppm or mg/m3 given that I know the density. Any idea on how to do this? The cm3 to m3 is easy, multiply by 10^6 cm³/m³.
conversion of mg/m3 to ppm - OnlineConversion Forums
Aug 6, 2007 · For a gas system, ppm is µL/L (mL/m³) 1 mole of ideal gas occupies 24.465L at 25°C, (1 atm). Water only obeys the ideal gas law if the temperature is above the dew point, and if the water in the system is dilute enough.
Conversion of Particles/cm3 to mg/m3 - OnlineConversion Forums
Feb 18, 2008 · Multiply by 1,000,000,000 to convert grams/cc to mg/m3 2.12*10^-20 * 1*10^9 Which results in 2.12*10^-11 mg/m3 What am I doing so wrong in here? For what it's worth, a similar question was asked on these forums. I can't link the post as I'm unregistered, but it's listed as thread 287. Sadly, the follow-up link doesn't seem to work any more.
- Some results have been removed