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 / 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 |
What id the resolution factor
How to decide restandardisation due or retest or expiry of Volumetric solutions prepared in wet chemistry lab?
What is split
WHY given much noise PDA dector then VWD Dector
what is the differnce between GMP and CGMP
How can we Qualify a unknown impurity by HPLC
Why use only methanol,used determinationof moisture content not use other solvents
1 why polyesterene film used for ftir calibration ? 2 why k2cr2o7 is used for control of abs in uv ? 3 why holmium oxide used for control of wavelength in uv
what is difference of uv and pda
13 Answers Akums, MSN, MSN Pharma, Shilpa Medicare,
What is the defination of Bulk density?
What is chiral and why this performing in HPLC
for inorganic molecules require to do RS, Assay and disso?