why single injection in related substance & dissolution but why not in assay ?

1979

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why nitrogen charecter as a inert gas plz identified

1607

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If granules are over lubricated what defect arises in tablet compression how we solve this problem.

2100

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why dissolution multimedia profile of drug is important. what are the specifications for tablets ,capsules,powders etc

3012

---

Can any one tell me that which brand hplc column is used for levetiracetam imp- b test.

1822

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why we use matrixing method in stability study and on what basis time points are selected?

1971

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why we study matrixing in stability system in stability study and on what basis we select time point.

2158

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What is the principal of particle size analyzer?brief explain instrumentation?

2347

---

How to select temperature of ODT in disintegration test

1876

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Caffeine standard is recommended by the monograph for HPLC wavelength accuracy calibration. It is covered range of 205 to 273 only.If the method have wavelength beyond the range, then how it supports for instrument performance?

1654

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What is column efficiency and performance ? And how can we know the column is better?

1741

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principle of dissolution

3330

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what is the exact classification of pharmaceutical industry (area wise) as per cleaning limits(Class A.B.C.D)

1871

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Why we use 10 tablets for the analysis of cu test?

2337

---

what we do when calibration of any instrument is fail ?

1723

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