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How do u differentiate primary
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Answer / vikas shinde
primary amine show two band (R-NH2) in IR region at 3200-3400cm-1. but secndry amine show single band (R-NHR`) at 3100-3300cm-1
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what is custom fields in waters system?
1 Answers Akorn India, Aurobindo,
what is the difference of use of LOD test and Karl Fischer titra.?
why we need to do karl ficher fector ?
why sucrose not used in polarimeter calibration?
How to know the estimated LOQ concentration in ppm
why 6 tablets use for dissolution
1 Answers Cadila, IPCA, SUN, Teva Pharmaceuticals,
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?
For titration in anhydrous media with perchloric acide, if lack of titrator, Which indicator is been used for replacement. How calculate pH of test solution to choose suitable indicator?
Why sodium lamp is used as source of Polarimeter?
12 Answers College School Exams Tests, Hetero, NCL, Zydus Cadila,
When we calculate Impurity against impurity std.solution and when we calculate impurity against diluted standard with applying RRF?
What is the diffrence in japan mkt requirement in analytical method validation over US?
Organic Chemistry 
