Answer Posted / prasad

based on the solubility of the drug.Most of the drugs are insoluble in water

WHICH STANDARD WE USE IN SILICA ANALYSIS IN SILICA-GEL METHOD FOR SOLID SAMPLE

2125

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Why only Copper standard is used to calibrate Atomic Absorption spectrophotometer?

2720

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

1084

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Did anybody have method for acetyl cysteine effervescnce tablet

2238

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why we are using benzene, anyline in acetic anhdride assay titration method?

2106

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how require to interprit the method precision data of hptlc?

816

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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?

1965

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What is importance of pH in the Heavy metal test and How it effect on the test results?

2277

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How much is the standard area for glc analysis

2275

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From where require to take the RLD sample?

747

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how many types of balance calibration test?

2295

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Which type of column should i use to check the purity of high molecular weight protein using HPLC reverse phase column chromatography? Hi everyone. I wanna to check the purity of high molecular weight protein (collagen) with MW of ~130 kDa using a HPLC. I know C18

1908

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How they found 1mL of K.F reagent is equivalent to 5mg of water and if we change the composition of K.F reagent, is it can neutralize more amount of water?

1767

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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.

2876

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why we use Dichlorobenzene.nitrobezine.t-butyldi sulhate.for calibration of gc Head space

2260

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