Answer Posted / s.giri prasad

1.Sucrose does not have mutarotation
2.It is disaccharide mixture of Glucose and Fructose.
3.It is give exact readings and very cheap.
4.It is primary standard and higly stable

Why sometime potassium ortho phosphate mix with acetone use for sample preparation for hplc

1475

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Why we select scan range from higer wavelength to lower wavelength in uv visible spectroscopy and ftir spectroscopy ? .

917

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what is biorelivent dissolution media?

816

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What if impurity area in control sample coming more as compared to LOQ level of impurity ?

1605

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Did anybody have method for acetyl cysteine effervescnce tablet

2256

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why glutent are detected in the rice cereal baby food product even manufacturer claimed that they are using rice and milk only?we have using ELISA to do the test,and rice supposed not containing any glutent,rite?We already repeat the test so many times and it still detected.just wondering where the glutent came from?

2788

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how require to interprit the method precision data of hptlc?

827

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why we should take dst factor for below 1%moisture samples

2673

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How can the GC or HPLC method is selected to determine the impurity profile in drug product?

7603

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if rsd failed then what require to do?

847

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how many types of balance calibration test?

2309

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we are performed SOR for a particular product the limit is -6 to -10.We face particular bathes it is not meeting the specification.we performed diffrent instrument diffrent analyst we are getting diffrent diffrent results.solvent is dimethyl sulfoxide what could be the reasion

1874

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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?

1780

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why require to add enzymes in capsules dissolution only? is it require to tablet also?

683

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What is related substance by HPLC impurity limits as per USP?

1110

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