Suppose we prepared pH buffer solution in lab.and calibrate
against NIST solution, and same shall going to used upto 30
days.
is it possible to stable pH and apperance ? suggest ?
Answer Posted / ajay
pH OF THE BUFFER SOLUTION WILL BE CHANGE, AS DUE TO PRESENCE OF NITROGEN CONTAINING SUBSTANCES AND ALSO DUE TO MICROBIAL GROWTH. BUT IF STORED AT 4 DEGREE CENTI. IT MAY USED TO SOME EXTENT.
| Is This Answer Correct ? | 8 Yes | 1 No |
Post New Answer View All Answers
in which situation require to use paddle and basket?
What is the calibration of uv process and preparation
what is procedure of actual procedure for registration of drug?
what is the principle of UV Vis spectroscopy, AAS, ICP OES,ICPAES, ICP-MS and FTIR
Basic principle of ESI?
why we are using hexane in calibration of number of drop per mL
why multimedia dissolution require to do?
how decide the clining method and cleaning method validation require for this perticular products?
Why sometime potassium ortho phosphate mix with acetone use for sample preparation for hplc
what is difference in ods I ods II is this is realy from sorbent / packing characteristics or from other means
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.
How we can identify process related and degradation impurity in single method with short period?
What is intact assay method development.....?
What is related substance by HPLC impurity limits as per USP?
Why potassium dichromate is used in calibration of uv?