Answer / satish kumar

When Stationary phase is Nonpolar & Mobile phase is polar ,it is called as reverse phase in HPLC.

Answer / m. balaram naidu

MAINLY TWO TYPES IS USED
THESE ARE (1)NORMAL PHASE
(2)REVERSE PHASE

1)NORMAL PHASE:-POLAR STATIONARY PHASE
NON POLAR MOBILE PHASE

2)REVERSE PHASE:-NON POLAR STATIONARY PHASE
POLAR MOBILE PHASE

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What is heavy water

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What id the resolution factor

1 Answers  

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Why we are using only KBr in IR spectrometer why not KCl

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how much wave length of Soduim vapour lamp used in polarimeter

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1 % solution is equal to how much ppm

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IS THERE ANY EQUIPMENT TO CHECK AND CALCULATE THE POLARITY OF A LIQUID?

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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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In Karl fischer titrator what medium we can choose to analysing aldehyde and ketone samples by using KF reagent

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how to develop the shorter run time for pharmacopeial methods having 100 min run time?

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