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How I can identify in C8 column are packed with C8 only and not with C18 without seeng column label?

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Topic: hplc columns  (Read 2519 times)

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Offline OCEAN16

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hplc columns
« on: September 27, 2010, 08:03:37 AM »
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Offline JGK

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Re: hplc columns
« Reply #1 on: September 27, 2010, 03:50:52 PM »
You can't The packing material is a white powder in both cases.

If there not labelled, but you have the column test certificates you could test using one of the compounds used in the  test (with the same conditions) and compare RT's, that may differentialte between the  two.
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Offline brbabu_1979

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Re: hplc columns
« Reply #2 on: September 30, 2010, 12:52:03 AM »
I agree with JGK.
 You can test the samples which are already tested by C18 or C8. With the help of RT's you can differentiate the two columns 

Babu
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