What is the meaning of Base deactivated vials

1 Answers   Sun Pharma,

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What do you mean by potency in Analytical industry

3 Answers  

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why disodium tartarate used in karl-fischer instrument ?.

1 Answers   Dishman,

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what is the difference between qualitative analysis and quantitative analysis and explain them?

1 Answers   Dr Reddys,

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why does used dry caffien in HPLC calibration?

0 Answers   Dishman,

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what is the acceptance criteria for enteric coated tablets in 0.1n hcl validation in each parameter?

0 Answers  

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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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how can we determine RRF value in HPLC FOR CALCULATION OF IMPURITY ?

4 Answers   Macleods,

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how to regulate noise in HPLC?

2 Answers   Alkem Labs, Vimta Labs,

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formula for %RSD.

4 Answers   Laurus,

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what is the d/f b/w normality and molarity and molality..?

1 Answers  

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if the flow rate is increases then any changes in retention time in hplc

1 Answers  

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