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Salt Titrimetry using Mohr Method

Started by , Nov 23 2016 03:32 AM
5 Replies

Hello everyone!

 

Advance Merry Christmas!

 

Can anyone help me with the Salt titration using Mohr Method. Our company doesn't have an AOAC Standard and I don't know where to get the exact procedure. 

 

The sample to be analyzed are soy sauce and fish sauce. For now, we are using a procedure given by one of our customer and the result it gives is 1 point higher than the test results from the third party.

 

Hope you can help me.

 

Thank you very much!

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Hello everyone!

 

Advance Merry Christmas!

 

Can anyone help me with the Salt titration using Mohr Method. Our company doesn't have an AOAC Standard and I don't know where to get the exact procedure. 

 

The sample to be analyzed are soy sauce and fish sauce. For now, we are using a procedure given by one of our customer and the result it gives is 1 point higher than the test results from the third party.

 

Hope you can help me.

 

Thank you very much!

 

Hi sheshe,

 

Have a look at this thread -

 

http://www.ifsqn.com...ation-in-brine/

 

Note that the choice may be determined by the pH of yr samples which is ??

 

Note that AOAC has a variety of procedures to determine salt  for a variety of product types.

 

Maybe the 3rd party is using a different procedure ?

 

PS - What is yr current procedure ?

Hi Charles.C

 

As per our customer, what they gave us was also Mohr Method.

Hi Charles.C

 

As per our customer, what they gave us was also Mohr Method.

 

And the pH ?

 

the link below gives pH for soy sauce as typically in the range (4.4 - 5.4). If so, this would indicate Mohr's method preferably  not be used.

 

http://www.engineeri...d-ph-d_403.html

And the pH ?

 

the link below gives pH for soy sauce as typically in the range (4.4 - 5.4). If so, this would indicate Mohr's method preferably  not be used.

 

http://www.engineeri...d-ph-d_403.html

Yes, the same pH with our product. So what is the applicable procedure for this type of product so we can determine its percent salt?

 

Thank you!

Hi sheshe,

Volhard's method or perhaps a more instrumental technique such as  potentiometric etc (more investment involved).

Please read back this thread and follow the aforementioned cross-links/attached files.


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