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Reduced oxygen packaging question


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esquef

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Posted 01 March 2016 - 03:51 PM

Does anyone out there know how to go about measuring nitrogen headspace in packaged foods? We're about to start a new packaging line and the customer wants to displace headspace air with nitrogen (the product is crackers; bag in a box).

I'm looking for a cheap easy method to do random destructive testing to determine whether the air is actually being effectively displaced.

Any ideas?



Ehab Nassar

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Posted 01 March 2016 - 05:35 PM

Hi esquef ,

 

I were using oxygen analyzer , as far I remember it should not exceed 0.2  , I were using it for milk powders and cereals , the machine were quite old 18 years ago , technology no is more advanced you can consult your laboratory equipment or search for it there is a lot of such equipment .Sorry I do not remember the brand , also I do not know specific brand , you can determine oxygen or nitrogen to assure replacement

 

It is using a Prob you puncture the package then the measurement starts in 30 min.

 

this is an example

http://www.quantekin...8GIqxoCQHnw_wcB

 

 

Just another thing you need also to make sure of the sealing using vacuum desiccator , I recommend to verify the efficiency of  sealing using vacuum test before determining the nitrogen  

 

Best regards,

Ehab



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esquef

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Posted 01 March 2016 - 06:19 PM

Thanks for the info! Were you displacing air with nitrogen in your packaging to get your oxygen levels down to 0.2%?



mgourley

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Posted 01 March 2016 - 06:45 PM

Our QA peeps use an old Mocon Model 600 which has been replaced by this unit.

 

Marshall



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Ehab Nassar

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Posted 01 March 2016 - 07:36 PM

Hi esquef ,

 

yes the measured level were 0.2%  , although the limit were 1.5 % , I do not member well the filling machine mechanism as I were in the a chemist in the lab , however I remember that it were filling under nitrogen .



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safefood safe life

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Posted 02 March 2016 - 11:16 AM

The simple way is using Oxygen tester, I have had use it for milk powder packing with a rate of 2.5% max, and we were producing the Nitrogen from the air with purity 99.9% with a German technology to save the cost of buying it from companies and to be more shore about what we have in our product.

Hope you all success :)






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