Answer Posted / vimal

IN THE PARAMETER OF CONTROL OF WAVELENTH
ONLY HOLMIUM OXIDE CAN GIVE ALL PEAKS
AT PERTICULAR WAVELENTH IN BETWN 200 NM TO 600 NM.

is it necessary to do HPLC calibration at wavelength 315nm if we are doing analysis at this wavelangth

1659

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what is mean by ambient temperature?

340

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Principle of single pan analytical balance

4597

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what is mean by extactable and leachable study?

559

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what are the guidelines for analytical method validations?

591

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How to determine the EDTA content by potentiometry titration in Ceftriaxine sodium

1978

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In HPLC calibration, caffeine is used as primary standard for wave length calibration due to caffeine is having dual maxima at 273 & 205 nm and one minima at 245 nm. Any body can give reference of these details from any pharmacopeia (with chapter no.) or any other authentic guideline?

1451

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Why do we use KMnO4 in the test of control of obsorbance ? and why do we take specific quantity i.e 57-63mg?

2315

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How do we fix the sample concentaryion in hplc method development. What is the basis?

676

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we are performed SOR for a particular product the limit is -6 to -10.We face particular bathes it is not meeting the specification.we performed diffrent instrument diffrent analyst we are getting diffrent diffrent results.solvent is dimethyl sulfoxide what could be the reasion

1356

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How can I develope method of dissolution by HPLC OR UV

1892

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in api coa contains only process impurities and in product coa contains degradation impurities?

316

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In performance Check of GC Why Hexadecane Peak is Considered 

2554

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why glutent are detected in the rice cereal baby food product even manufacturer claimed that they are using rice and milk only?we have using ELISA to do the test,and rice supposed not containing any glutent,rite?We already repeat the test so many times and it still detected.just wondering where the glutent came from?

2341

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Basic principle of ESI?

1640

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