I have 1 gram of Diphenylamine and want to make a 10,000 or
1000 ppm solution in methanol. How do I make this?
Answer Posted / prashanth
100mg of diphenylamine dissolved in 100ml of methanol gives
you 1000ppm conc. it's nothing but, 1mg per ml
| Is This Answer Correct ? | 6 Yes | 5 No |
Post New Answer View All Answers
why we should take dst factor for below 1%moisture samples
Difference between hlaf and rlaf
In Assy by potentio metry titration method how select MET U ,DET U, SET U,
In which situation we require to prepare the standard solution from sample in Related substance method?
If combination product how require to identify which imp is of which api?
I have compare C2H2-air and C2H2-N2O flame AAS on determination calcium. Both use same range of std to plot calibration curve. (2-6ppm) When i measure the sample with phosphate, KCl and LaCl, C2H2-N2O flame give false positive result, around 0.5ppm. When i measure the sample with phosphste, KCl and EDTA. C2H2-N2O flame also give 0.5ppm false positive. But both above mentioned sample would not give false positive when measured by C2H2-air flame. What is the reason?
How to establish relative response factor for hplc. Why it is required?
what are the standard methods for HPLC?
Please tell me about the pH of Polycaboxylic ether is it in the 5-6 range ever or more than 6
How to start the dissolution development for unknown tab?
what is the difference between potentiometric titration and karl fischer titration?
what is mean by dissolution hydrodynamics?
What are usp limits for theoritical plats,resoution,tailing factor,peak to valley ratio
Identify problem faced when mass spectroscopy is used with HPLC system ?
Why sodium hydroxide used for maintain pH of phosphate buffer