Why we use holmium oxide,perchloric acid for uv/vis
calibration
Answer Posted / prasad
Because Only holmium can give sharp peaks in both UV and
Vis range, Sharp peak is very rare in UV/Vis spectroscopy.
It is very stable and doesn't absorb light at lower
wavelength.
| Is This Answer Correct ? | 23 Yes | 5 No |
Post New Answer View All Answers
what is the principle of UV Vis spectroscopy, AAS, ICP OES,ICPAES, ICP-MS and FTIR
what is the structure of DOWEX-50
Describe your field experience sample type collected,sample techniques,field measurements taken and equipment used?
What is diffrence between extractable volume and deliverable volume? Answer pls
What is the Formula for coreletion coefficient in plhplc calibration
How can we confirm the HPLC column is end-capped or not? Is it possible to identify by physical appearance?
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.
What is the difference between Discriminating media and DPDM(Dissolution Profile with Different Media)
Basic principle of ESI?
which are the sizes of capsules?
how to selecet an exact coloumn for an new molecule development by hplc how to select exact salt as buffer for new molecule development by hplc what is the the process to select the mode of saparation of compoundes by hplc what is the use of ph of buffer what is use of buffer,ph,organic phase,ans methods how the molecules get saparated in coloumn,
What is gelatinization?
how to decide for one product require water content or LOD?
Explain the relations between number of carbon atoms in alkanes and retention time ?
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?