what is the importance of peak purity in HPLC and how we
can calculate through manul(not software)?
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what is classification of elemental impurities? what is risk assement in elemental impurities?
In UV-VIS spectrophotometer:My diluent is methanol even though i corrected base line for methanol,In my sample scan i found methanol peak.what is the reason?
How to fix the sample concentration in related substances development.
3 Answers Novartis, Watson Pharmaceuticals,
What is the difference between known and unknown impurities?
Why we are using K2Cr2O7 for control of absorbance in UV?
What is Temperature ?
What is difference b/w IR&NIR
why phenolpthalin gives pink colour when we titrate aganist sodium hydroxcide & phenolpthalin gives colourless titrate aganist hydrochlric acid which is un burate
Data was integrated with RRT CONCEPT OR Overlay with SSTchrmatogram concept which is better?
why the sucrose used in calibration of polarimeter
hii, i'm had a sample of 1L that gone through extraction & evaporation. i used 0.5ml of methanol for reconstitution before injecting the sample to HPLC. i made a calibration curve using a standard solution but now i'm confused about how to display the concentration i got from the sample. for ex. i got 0.2ug/ml how i'm gonna explane this is for the 1L ? please help .. i'll really appreciate it thanks
What is the difference of time between two consecutive injections in HPLC?
2 Answers Nectar Lifesciences,