Answer Posted / himal patel

meoH use as a media,when S02+water+MeOH,and base react it
give intermediatealkyl sulphite salt which is oxydised by I2
and give alkyl sulphate in this oxydation reaction water
consume.and water is consume is (1:1) of I2,when all water
consume Excess amount ofI2 detect voltemetrycally by refrence
electrode<and water amount is calculated by consumption of KF
reagent

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

328

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if you have given one product then how you determine the impurity in that?

288

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Principle of single pan analytical balance

4602

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

611

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what you do when compound having dwel wavelength?

282

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What is stray light in uv what are units for stray light

1022

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In HPLC Calibration, On which basis RSD Limit of noise test is fixed (NMT 33.0 % )

2959

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how many types of balance calibration test?

1731

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USP methodology, EP methodology, IP methodology, among three if possible to use one methodology for qualify working standard to use USP, EP, IP ? Please explain...

1558

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analytical method validation require to with respect to release specification or shelf life specification?

282

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Colorimtry

1174

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What is mean by PDR?

332

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AT WHAT CONDITIONS WILL YOU ANALYSE A SAMPLE,WHICH ARE PRESERVED AT OTHER THAN THE AMBIENT CONDITIONS?(ie COLD STORAGE SAMPLES BELOW 20* CENTIGRADE?

1606

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1)What's the meaning of Absorption,give a example. 2)What's the meaning of Adsorption,give a example. 2)what is the difference between Absorption and Adsorption.

2423

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why sre you used Potassium hydrogen phthalate in standarisation of 1N NaOH and 0.1 N Perchloric Acid?

8914

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