Answer Posted / ashwani kumar mahajan (drl)

1 )+- 10% as per USP guideline mp ratio can be changed

2)SOP must be there for reason /justification inclusion SOP
Can be modified
3) Inhouse validation data shold be available for
perticular product then this change will be acceptable to
pharmaceopia .

How to decide assay range for non pharmacopeial API analysis by HPLC? Could you give me any reference for same e.g Guidelines or Paper publications?

2860

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I have compare C2H2-air and C2H2-N2O flame AAS on determination calcium. Both use same range of std to plot calibration curve. (2-6ppm) When i measure the sample with phosphate, KCl and LaCl, C2H2-N2O flame give false positive result, around 0.5ppm. When i measure the sample with phosphste, KCl and EDTA. C2H2-N2O flame also give 0.5ppm false positive. But both above mentioned sample would not give false positive when measured by C2H2-air flame. What is the reason?

2971

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if tech transfer fails whay require to do?

326

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i want model written test paper for the post of analyst in IOCL(indian oil corporation ltd) any one pls help me

2182

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in which situation require to change rs specification?

269

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What is the calibration of uv process and preparation

1494

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if you get peak in blank then what require to do?

479

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how to calibrate hplc & gc

4026

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in which situation ion pair require to use?

277

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If vendor having more imp than monograph then how to proceed? and how to set spec?

332

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if you have given a blank water how you analyse by general analytical techniques?

1504

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What are the primary considerations in extractables and Leachables ?

1777

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Describe your field experience sample type collected,sample techniques,field measurements taken and equipment used?

2271

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what is different when impergnated silica plates are used in separation of azo dyes using column chromatography?

1516

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calibrtion procedue of LC-MS

2139

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