how to prepare low ppm solution from high ppm solution ?

1 Answers  

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why we cannot analysis below 200nm in u.v?

2 Answers  

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In gas chromatographic analysis sometimes we use headspace, why it is required instead of manually injection?

1 Answers  

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why we calibrate ph meter and balance daily.....but hplc and uv requires quaterly?

5 Answers   Apotex, UPL,

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Why base line not start from zero in GC Chromatography analysis.

1 Answers   Orchid,

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viod volume and dead time

7 Answers   Oxygen Healthcare,

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if out of two set of results of moisture analysis first 1 is passing, second one is failing, is it oos ? or vice a versa first 1 is failing and second one is passing. for information mean value to be reported and in mean value the substance is ppassing, is it oos or normaal mean value to be considered?

1 Answers   JBCPL,

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what is the dipolement and how it is related to IR

1 Answers   AJ Square Inc, Aurobindo,

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what is the difference between Hydrochloric Acid & Hydrogen chloride

3 Answers  

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whate is difference between calibration and validation

11 Answers   Alkem Labs, Cipla, Ranbaxy, Torrent Pharma, Zydus Cadila,

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for which type of applications gas chromatography is used?

2 Answers  

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WHAT IS THE DIFFERENT BETWEEN PURITY, POTENCY AND ASSAY

6 Answers   Glochem, Hetero,

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