Answer Posted / amarendra allu

OVI-organic volatile impurities.Residual solvents means-wt
r the remaining in compound.in olden days residual solvents
using,now a days as per usp calling as OVI.

What is the difference between Discriminating media and DPDM(Dissolution Profile with Different Media)

6902

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when we talk about change in entropy we consider total entropy means of surround +entropy of system but when we talk about change in Gibss free energy we consider entropy of system.explain with reason.

1515

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

609

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For standardization of volumetric solutions, acceptance limit for concentration is considered as 10% of nominal concentration and %RSD as NMT 0.2% (for appropriate no. of replicates). But , if %RSD has not met, what should be further action?

1247

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what is mean by nitrosamine impurities?

538

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can we use the same detector in HPLC as well GC and what could be the differences we can find in the final chromato graph in any aspects?

1705

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if rsd failed then what require to do?

323

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what is the acceptance criteria for enteric coated tablets in 0.1n hcl validation in each parameter?

338

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Why sodium hydroxide used for maintain pH of phosphate buffer

1836

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What is the difference between spectro meter and spectro photo meter?

10417

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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?

2343

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in which situation require to use paddle and basket?

289

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WHY given much noise PDA dector then VWD Dector

1503

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Why do we use KMnO4 in the test of control of obsorbance ? and why do we take specific quantity i.e 57-63mg?

2318

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what is mean by 40 in the dissolution basket mesh size?

289

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