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#1
07-29-2008, 09:03 AM
 Unregistered Guest Posts: n/a
Convert NTU to ppm

My dilema is this: I am measuring Sulfates (SO4) in water. The turbidimeter reads in NTUs. The result must be reported in mg/kg or ppm (the same). Is there a direct conversion of NTU to ppm?
#2
07-29-2008, 10:49 AM
 Mrs X can't count, can't spell! Join Date: Feb 2006 Location: New Zealand Posts: 2,433 Rep Power: 12
Re: Convert NTU to ppm

Quote:
 Originally Posted by Unregistered My dilema is this: I am measuring Sulfates (SO4) in water. The turbidimeter reads in NTUs. The result must be reported in mg/kg or ppm (the same). Is there a direct conversion of NTU to ppm?
Sulphates are pretty soluable. Turbidity meters use light to measure precipitates, or undisolved particles. Please can you give a bit more information about what you are trying to do, as this doesn't seem like the right sort of measurement?
#3
10-08-2008, 07:46 PM
 Unregistered Guest Posts: n/a
Re: Convert NTU to ppm

I did encounter the same problem too. Let's say in analyzing the NTU of river water, how can I convert to ppm of suspended solid istead? e.g. 1000 ntu of river water equals to how much ppm of SS?
#4
06-20-2009, 03:15 AM
 Unregistered Guest Posts: n/a
Re: Convert NTU to ppm

QUOTE=Unregistered]My dilema is this: I am measuring Sulfates (SO4) in water. The turbidimeter reads in NTUs. The result must be reported in mg/kg or ppm (the same). Is there a direct conversion of NTU to ppm?
#5
10-29-2009, 08:08 PM
 Unregistered Guest Posts: n/a
Re: Convert NTU to ppm

Quote:
 Originally Posted by Unregistered I did encounter the same problem too. Let's say in analyzing the NTU of river water, how can I convert to ppm of suspended solid istead? e.g. 1000 ntu of river water equals to how much ppm of SS?
Convert this
#6
11-23-2009, 08:05 PM
 LUIS CERDA Junior Member Join Date: Nov 2009 Posts: 1 Rep Power: 0
Re: Convert NTU to ppm

5 NTU to ppm

Last edited by LUIS CERDA; 11-23-2009 at 08:10 PM. Reason: consult
#7
10-11-2010, 04:34 PM
 Unregistered Guest Posts: n/a
Re: Convert NTU to ppm

I know! I have to do the same thing!
#8
10-12-2010, 09:39 AM
 Mrs X can't count, can't spell! Join Date: Feb 2006 Location: New Zealand Posts: 2,433 Rep Power: 12
Re: Convert NTU to ppm

Hi everyone. To accomplish this, you have to measure some standards that you have made up, and compare them to your river water. The standards would need to contain the same types of suspended particles that are actually in the river water.
#9
11-23-2011, 08:22 PM
 Unregistered Guest Posts: n/a
Re: Convert NTU to ppm

Quote:
 Originally Posted by Unregistered My dilema is this: I am measuring Sulfates (SO4) in water. The turbidimeter reads in NTUs. The result must be reported in mg/kg or ppm (the same). Is there a direct conversion of NTU to ppm?
1 NTU is equal to how many ppm?
#10
11-24-2011, 05:16 AM
 Elias C. Guest Posts: n/a
Re: Convert NTU to ppm

You have to run sulphate standards on the Turbidity Meter and plot the graph of Turbidity in NTU versus Conc. of Sulphate in mg/l using y = 3.251x - 0.13

contact me in case of any query: elcnyanza@gmail.com

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