Answer Posted / swathi

caffeine it can be stable and shows different wavelenths .and usp pharmacopeia recommended

sop of a uv visible spectrophotometer double beam elico model

5346

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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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What is split ratio in Gc? Splitless? how requirr to select?

323

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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.?

289

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what are the guidelines for analytical method validations?

591

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What is Band broading effect explain

1398

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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

1109

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please explain about aluminium hydroxide assay

703

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in each media we require to use SLS? how to proceed?

292

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if your impurity coeluting with each other in that situation how require to set specification? is it acceptable?

365

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why are measure gas flow " ml " in Gas chromatography

1152

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How to fix the sample conc. in Related substances test by HPLC?

605

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

2936

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in which situation require to change rs specification?

272

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in stress study if your api not soluble in hcl naoh h2o2 then what require to do?

323

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