all types of questions asked at the cipla interview
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The colour presence in kmno4 is due to.
what is the definition of Precision.
what are the sources in ELSD,PDA, RI and UV Detectors?
why holium oxide prepared in 10% HCLO4 SOLUTION
what is the principle involved in determination of moisture content?
How to now that my acid is contact with base or base is contact with acid in drugs, is there any techniq to identify the formation of salt(drug)
(0.41)d what is d?
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
In the test for control of absorbance in UV calibration why do we use only potassium dichromate and what is purpose of taking a specified amount of 57.0-63.0mg?
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The boiling point of 1,3 butadiene is -4.4 DC & the boiling point of Pentane is 36.1 DC. Then how come Pentane elute before 1,3 BD in GC analysis?
why we are doing seal wash and needle wash?
How can we konw that the HPLC column is endcapped? Is it possible to identify visually without COA?
Organic Chemistry 
