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Answer Posted / srinivasreddy
the Measure column oven temperature using digital thermometer
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how you establish the LOQ?
please explain about aluminium hydroxide assay
Identify problem faced when mass spectroscopy is used with HPLC system ?
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
what is mean by 40 in the dissolution basket mesh size?
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pharma industries oriented
how require to select dissolution media? what is discrimination?
