Answer Posted / dinesh
Add 6.8 gm KH2PO4 and about 0.94 gm NaOH in 1000mL Water.
It directly shows pH 6.8.
Adjust the pH of solution by using dilute Orthophosphoric
acid or NaOH.
6.8gm KH2PO4 + 0.94gm NaOH
| Is This Answer Correct ? | 127 Yes | 28 No |
Post New Answer View All Answers
Many times I don't got a caffeine peak in calibration of hplc using guard column ❓
For limit test of heavy metals in BP, Method C require that the substance is ignited at a temperature not exceeding 800 °C. Why confines such the temperature?
how can I make the copper get white bye any salt or acit?
for which product require to do content uniformity? what is limit of cu?
give clarity of linearity and range in method validation
why we should take dst factor for below 1%moisture samples
why should we perform dissolution PVT calibration only by UV spectrometer, not by HPLC ?
Difference between the quantitative analysis and qualitative analysis?
what is the principle involved in turbidometry and nephelometry ?
how to qualify the impurity?
What is importance of pH in the Heavy metal test and How it effect on the test results?
in each media we require to use SLS? how to proceed?
Which are the diffrent grades of api in pharma?
what is the different in Total ash, sulphated ash, acid insoluble ash, alcoholic or non alcoholic ash?
How to fix the sample conc. in Related substances test by HPLC?