Answer / raja sekhar

generally baseline starts from 5 mV but not from zero. it indicates the detector activity... in gc baseline never starts from zero. i found this in Perkin Elmer GC-HS

what is the use of tap density apparatus? why we calculate it? what is the difference between the bulk density and tap density?

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what is mean by 21 CFR PART? In that what is 21 ?

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1 % solution is equal to how much ppm

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what is the most common FT-IR source used for the MID&Near IR regions?

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what is mean by profiling of dissolution

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principle of UV , PDA , RI detector in HPLC

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1.What is the difference between method validation and method verification 2.Which guidelines proposed to method transfer

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