in HPLC injection volume is increase ,R.T will increase ?

5 Answers   Claris Lifesciences,

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What is the meaning of 624 in DB-624 Capillary column used in GC?

5 Answers   Aurobindo,

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in pentoperazole capsules usp why assay value is substract from dissolution

1 Answers   Ranbaxy,

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Describe your field experience sample type collected,sample techniques,field measurements taken and equipment used?

0 Answers   Apex, BNM, Ranbaxy,

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What is shaking level in GC?

0 Answers  

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in what basis wavelength will select for a compound at initial method development trials

4 Answers   Matrix,

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what is difference between GC & GC-HS

11 Answers   SRF,

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WHEN AN UN KNOWN SAMPLE IS GIVEN TO U,HOW WILL U START THE ANALYSIS(ie FIRST WHICH TEST TO BE DONE,NEXT,THEN NEXT),HOW WILL U DECIDE WHICH TYPE OF ANALYSIS TO BE DONE FOR IT?

2 Answers   Aurobindo,

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In capadity factor formula is K'= (RT of main compound/RT of first eluted peak)-1 in this formula what is 1

1 Answers   Piramal Healthcare,

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My question about gas chromatography sulfur chemiluminsecence detector. I test unknown sample gas by GC-SCD (calibrated ) and the result of *H2S is 279 PPM , *but when I test the same sample with the GC-TCD (calibrated ) the value of *H2S is 2500 PPM . I'd like to inform you that both GCs are calibrated and have very good operation conditions with stable parameters . the question is if the sample gas with higher H2S over detection limits of SCD detector (1000 ppm). why the result it 279 ppm Best regards

0 Answers  

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One pH means how much volts and milivolts?

7 Answers   Dr Reddys,

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how you establish the LOQ?

0 Answers  

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