Answer Posted / neenie

USP and Pheur (EP) have harmonized the methods. USP
accepts EP method as equivalent. Basically they are the
same tests.

on the basis of bcs class how to proceed the solubility?

270

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what is the importance of peak purity in HPLC and how we can calculate through manul(not software)?

3980

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What is the difference between chromatographic purity and related substances?

775

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What is rs test why we are performing rs test?

1296

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What is third generation HPLC Columns?

1497

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mahagenco syllabus for the post of chemist

5735

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My question about gas chromatography sulfur chemiluminsecence detector. I test unknown sample gas by GC-SCD (calibrated ) and the result of *H2S is 279 PPM , *but when I test the same sample with the GC-TCD (calibrated ) the value of *H2S is 2500 PPM . I'd like to inform you that both GCs are calibrated and have very good operation conditions with stable parameters . the question is if the sample gas with higher H2S over detection limits of SCD detector (1000 ppm). why the result it 279 ppm Best regards

1101

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How doing qbd practically?

416

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What is the purpose of octyl silane columns?

3776

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WHY pKa value is more important than pH value of the mobile phase in HPLC?

1249

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inhouse product is in capsule form in combination and RLD is in tablet form then can we proceed for multimedia CDP? in inhouse capsule product disso is paddle with sinker in release media is there then RLD product in tablet form then with same as paddle with sinker we can proceed n.a.?

278

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What is Band broading effect explain

1387

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Qc interview questions

1242

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What is the acceptance criteria for moisture balance when calibrated with sodium sulfate

1541

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AT WHAT CONDITIONS WILL YOU ANALYSE A SAMPLE,WHICH ARE PRESERVED AT OTHER THAN THE AMBIENT CONDITIONS?(ie COLD STORAGE SAMPLES BELOW 20* CENTIGRADE?

1598

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