Interested to Buy Any Domain ? << Click Here >> for more details...
why are using toluene in uv calibraion in resolution
performance
- 2 Answers
- 10968 Views
- MSN Pharma, I also Faced
- E-Mail Answers
Answer Posted / raveendra reddy.kambam
Toulene gives more maxima at 269 nm and minima at 266 nm, these two are very close to eachother.If any changes in resolution we can easily identify the absorbance difference.
| Is This Answer Correct ? | 3 Yes | 0 No |
Post New Answer View All Answers
1.What is the difference between method validation and method verification 2.Which guidelines proposed to method transfer
Why we use potassium dichromate in uv calibration Exact reason behind it??
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.
Why we check moisture,ash & AIA in product
How can the GC or HPLC method is selected to determine the impurity profile in drug product?
How to choose the which salt is suitable for mobilephase
2. Two grams of Benzoic acid are dissolved in 200 ml of water and extracted with 200 ml of diethyl ether. The distribution coefficient of benzoic acid is 100, and its dissociation constant is 6.5 10-5. Calculate the distribution ratio (D) of benzoic acid at pH 2, 5, and 6. 3. Calculate D at pH 2 to 10 (1 unit apart) in the above problem, and plot D versus pH.
Why we select scan range from higer wavelength to lower wavelength in uv visible spectroscopy and ftir spectroscopy ? .
What is dose dumping? why require to do?
what is classification of elemental impurities? what is risk assement in elemental impurities?
what is mean by covalidation
Many times I don't got a caffeine peak in calibration of hplc using guard column ❓
how the compound separate in coulunm,explain
mode of absorption in alimentary canal?
How to know the estimated LOQ concentration in ppm
