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  #1  
Old 07-29-2008, 09:03 AM
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Question 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?
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Old 07-29-2008, 10:49 AM
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Default Re: Convert NTU to ppm

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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?
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Old 10-08-2008, 07:46 PM
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Default 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?
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Old 06-20-2009, 03:15 AM
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Post 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?
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Old 10-29-2009, 08:08 PM
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Default Re: Convert NTU to ppm

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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
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Old 11-23-2009, 08:05 PM
LUIS CERDA LUIS CERDA is offline
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Default Re: Convert NTU to ppm

5 NTU to ppm

Last edited by LUIS CERDA; 11-23-2009 at 08:10 PM. Reason: consult
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Old 10-11-2010, 04:34 PM
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Angry Re: Convert NTU to ppm

I know! I have to do the same thing!
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Old 10-12-2010, 09:39 AM
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Default 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.
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Old 11-23-2011, 08:22 PM
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Default Re: Convert NTU to ppm

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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?
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  #10  
Old 11-24-2011, 05:16 AM
Elias C.
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Default 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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