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#1
08-21-2006, 07:11 AM
 Unregistered Guest Posts: n/a
ppb to ppm

Is there a chart to convert ppb to ppm
How small is a ppm? a golf ball in a football stadium?
#2
08-21-2006, 10:13 AM
 Robyn Guest Posts: n/a
inched of Mercury to hectopascal

I need to convert, I found the handy converter at 0 celcius but what if the celcuis temp is 27.7.

example:
barometor 30.11 inches of mercury
at 82 degress F, 27.7 degrees C

#3
08-21-2006, 06:45 PM
 Robert Fogt Administrator Join Date: Dec 2005 Location: Seattle, WA Posts: 3,416 Rep Power: 12
Re: ppb to ppm

1 ppm = 1000 ppb
1 ppb = 1/1000 ppm

ppb is a unit of proportion equal to 1 part per billion, and ppm is a unit of proportion equal to 1 part per million.

You can really compare it to things like football stadiums, as it depends the size of both things. For things like minerals in water, 1 ppb could be in a solution no bigger than a glass of water.

For converting between ppm and ppb the temperature and pressure will not matter. Because it is a unit of proportion and you are converting to the same type of unit of proportion. Normally temperature and pressure matter, just not in this case.

Last edited by Robert Fogt; 01-11-2007 at 07:32 AM.
#4
08-30-2006, 12:54 PM
 Unregistered Guest Posts: n/a
Re: inched of Mercury to hectopascal

Quote:
 Originally Posted by Robyn I need to convert, I found the handy converter at 0 celcius but what if the celcuis temp is 27.7. example: barometor 30.11 inches of mercury at 82 degress F, 27.7 degrees C Please Help!
27.7*1.8 +32 =81.86
#5
01-11-2007, 05:45 AM
 Unregistered Guest Posts: n/a
Re: ppb to ppm

I think you will find that 1ppm = 1000ppb not the other way round
#6
01-11-2007, 07:33 AM
 Robert Fogt Administrator Join Date: Dec 2005 Location: Seattle, WA Posts: 3,416 Rep Power: 12
Re: ppb to ppm

Right you are, I modified that today.
#7
02-07-2007, 02:23 AM
 sunil Guest Posts: n/a
Re: ppb to ppm

Quote:
 Originally Posted by Unregistered Is there a chart to convert ppb to ppm How small is a ppm? a golf ball in a football stadium?
30ppm to ppb
#8
02-09-2007, 12:09 AM
 Robert Fogt Administrator Join Date: Dec 2005 Location: Seattle, WA Posts: 3,416 Rep Power: 12
Re: ppb to ppm

30 ppm * 1000 = 30000 ppb
#9
05-11-2007, 11:14 PM
 JimVan Guest Posts: n/a
Re: ppb to ppm

So if 1 ppm = 1000 ppb then 0.10 ppm = 100 ppb...right?
#10
05-13-2007, 10:47 PM
 Robert Fogt Administrator Join Date: Dec 2005 Location: Seattle, WA Posts: 3,416 Rep Power: 12
Re: ppb to ppm

Quote:
 Originally Posted by JimVan So if 1 ppm = 1000 ppb then 0.10 ppm = 100 ppb...right?
That is correct.

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