Answer Posted / ram.ch

In LOD test both organic solvents and water content are
determined.
& in karl fisher titration only water content is determined.

give clarity of linearity and range in method validation

2426

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

2037

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How to choose the which salt is suitable for mobilephase

3266

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How to set specification of assay, fisdolution and related substances?

888

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How to calibration of the uv spectroscopy and its test?

1204

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what is mean by covalidation

788

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effect of pore size, pore volume, partical size, column length, carbon load on retention time? what is carbon load? what is the use?

938

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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

1608

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Why dissolution test is not performed in all of the products

2543

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

2040

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How to set analyticl specification for combination products?

756

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why multimedia dissolution require to do?

843

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Difference between hlaf and rlaf

2121

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Difference between the quantitative analysis and qualitative analysis?

1192

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Which type of column should i use to check the purity of high molecular weight protein using HPLC reverse phase column chromatography? Hi everyone. I wanna to check the purity of high molecular weight protein (collagen) with MW of ~130 kDa using a HPLC. I know C18

1926

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