Answer Posted / vishal shah

In GC analysis due sample preparation error, if your sample
is open in air so your result may down from initial
analysis,another is during sample preparation if your
tablet crush in morning and you take weight in afternoon
may result is down, Preparation-1: during sample
preparation first you weight crushed tablent in head space
vial than add diluent after all weight(if Time gape between
wieght and adding diluent).
Preparion :-2 During sample preparation first you add
diluent and than add sample may you resule higher than
prepartion :-1

how require to interprit the method precision data of hptlc?

821

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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?

2056

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in each media we require to use SLS? how to proceed?

787

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before starting analytical method valodation what you checking? and how giving preference to start validation?

806

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why holium oxide prepared in 10% HCLO4 SOLUTION

1462

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for inorganic molecules require to do RS, Assay and disso?

734

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please explain about aluminium hydroxide assay

1132

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Colorimtry

1660

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Principle of single pan analytical balance

5143

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CAN WE DETERMINE THE PEAK PURITY IN GAS CHROMATOGRAPHY ANALYSIS?

1209

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on saturation solubility study data how we can find out the bcs class of drug?

899

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how to select short coloum and long coloumn for new molecule

2452

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What is delay volume?

1394

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in monograph 7 imp are there but in vendor showing 5 imp do not req to include 2 imp for that what will be justification?

723

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WHAT IS THE CRITERIA FOR SELECTION OF TIME OF DISSOLUTION AND THE MEDIUM OF DISSOLUTION?

2578

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