In Karl Fischer titration,What is the situation if the material tested is only soluble in water,and not soluble in the common solvents used such as methanol ?? [e.g. Iron III Hydroxide polymaltose]

1 Answers  

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What is Threshold in hplc?

2 Answers   Hetero,

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How does GC did work?

1 Answers  

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what is the definition of Precision.

4 Answers   Cipla,

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how can u seperate polar compounds in hplc ?

1 Answers   Meditab, Piramal Healthcare,

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how can we decide the limit of cleaning validation? What is the criteria for it?

2 Answers   Glenmark,

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when we use pda detector in hplc instead of uv detector

6 Answers   Hetero,

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What is the difference between Paddle and Basket Why we are using Basket or paddle in dissolution.

7 Answers   Apotex, Cipla, GSK, Intas, Zydus Cadila,

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In HPLC calibration, caffeine is used as primary standard for wave length calibration due to caffeine is having dual maxima at 273 & 205 nm and one minima at 245 nm. Any body can give reference of these details from any pharmacopeia (with chapter no.) or any other authentic guideline?

0 Answers  

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what is the different in Total ash, sulphated ash, acid insoluble ash, alcoholic or non alcoholic ash?

0 Answers   GHI, Siemens,

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WHY POTASSIUM HYDROGEN PTHALATE IS USED FOR PERCHLORIC ACID? What is difference btw UV detector & RID detector? what is dissolution? What is unit of KF? what is the significant of pH in HPlc?

1 Answers  

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is it necessary to do HPLC calibration at wavelength 315nm if we are doing analysis at this wavelangth

0 Answers   Aarti Drugs,

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