manikanta


{ City } hyd
< Country > india
* Profession * sr.execuitive
User No # 51489
Total Questions Posted # 2
Total Answers Posted # 6

Total Answers Posted for My Questions # 3
Total Views for My Questions # 17900

Users Marked my Answers as Correct # 432
Users Marked my Answers as Wrong # 89
Questions / { manikanta }
Questions Answers Category Views Company eMail

Why use in sodium salicylate in uv lamps calibration

Auctus Pharma, Reddy Labs,

1 Analytical Chemistry 5846

Why using 0.5% acetone in methanol mobile phase for HPLC Gradient performance check.

DRL,

2 Analytical Chemistry 12054




Answers / { manikanta }

Question { Dr Reddys, 31828 }

One pH means how much volts and milivolts?


Answer

one ph=59.16mv

Is This Answer Correct ?    22 Yes 5 No

Question { Zydus Cadila, 191346 }

What is diffrence between residue on ignition and sulphated
ash?


Answer

Both are same
Residue on ignition as per USP
Sulphated ash as per EP

Is This Answer Correct ?    116 Yes 40 No


Question { Matrix, 65726 }

what is the difference between M.C and LOD


Answer

Moisture content means how much water present in your
sample
LOD Means how much non voltail solvents and water present
in your sample

Is This Answer Correct ?    25 Yes 12 No

Question { Dr Reddys, 13769 }

What is the defination of Bulk density?


Answer

Bulkdensity means initial volume of before tapping
Bulk density=wt/vol

Is This Answer Correct ?    19 Yes 0 No

Question { Cipla, 55762 }

In the test for control of absorbance in UV calibration why
do we use only potassium dichromate and what is purpose of
taking a specified amount of 57.0-63.0mg?


Answer

potassium dichromate is highly colourproducing agent
this amount is as per EP And edqm monograph.
if you change concentration change specific abs values

Is This Answer Correct ?    78 Yes 17 No

Question { 60365 }

What is the procedure for UV-spectrophotometer calibration?


Answer

UV-VIS spectrophotometer calibration is many parameters
which is
1)control of wavelength
2)control of absorbance
3)wavelength accuracy
4)straylight accuracy
5)resolution
6)resolution power

Is This Answer Correct ?    172 Yes 15 No