Answer Posted / apparao

optical rotation is the property of a substance when a
polaarized light passed in which angle it rotates.where as
SOR is the property of substance to rotate a polarized
light at a specific temperature and concentration

For limit test of heavy metals in BP, Method C require that the substance is ignited at a temperature not exceeding 800 °C. Why confines such the temperature?

4076

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give clarity of linearity and range in method validation

2420

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Colorimtry

1666

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in which situation ion pair agent require to use?

741

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what is difference in ods I ods II is this is realy from sorbent / packing characteristics or from other means

1977

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In performance Check of GC Why Hexadecane Peak is Considered 

3046

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if identification threshold crosses the limits then what next step?

869

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using gradient pressure in gas chromatography are not ?using gradient pressure why

3391

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Why only Copper standard is used to calibrate Atomic Absorption spectrophotometer?

2731

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we can use expired sample for validation and analyst qualification?

814

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in DMF having extra impurities and in api COA also having extra imp than USP or BP product then how require to proceed?

840

---

what is the purge flow & how to calculate

2648

---

From where require to take the RLD sample?

759

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why require to add enzymes in capsules dissolution only? is it require to tablet also?

680

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what is mean by 40 in the dissolution basket mesh size?

788

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