why using the ph 4,7,9.2?



why using the ph 4,7,9.2?..

Answer / hemanth d

ph 4 buffer is used for the calibration purpose because if we measure the ph of acidic solution, ph 7 for neutral solvents, and 9.2 ph buffer for basic solvents

Is This Answer Correct ?    2 Yes 0 No

Post New Answer

More Analytical Chemistry Interview Questions

what is Hilic chromatography?

1 Answers  


what are the ideal conditions for coloumn storage

3 Answers   Claris Lifesciences, Srikem Laboratories,


how to regulate noise in HPLC?

2 Answers   Alkem Labs, Vimta Labs,


what is difirence b/w ROI&ROE

1 Answers   Pfizer,


how to calculate corelation coefficient in G.C Calibration? what is the calculation part?

1 Answers   Cipla, Ortin Labs,






what is kf principal

5 Answers   Dr Reddys, Indian Immunologicals,


What is the difference between high pressure gradient and low pressure gradient in hplc?

1 Answers   Cipla,


What is Formula of Potency calculation on Dried basis, As is basis& Anhydrous basis.

11 Answers   Laurus, Teva API,


why peak purity not considered in GC?

4 Answers   DRL, Reddy Labs, Vimta Labs,


Why pH lies between 0 to 14 only

4 Answers   PI Industries, Unimark Remedies,


what is the purge flow & how to calculate

0 Answers   Granules,


what is mean by assay?

6 Answers  


Categories
  • Organic Chemistry Interview Questions Organic Chemistry (342)
  • Inorganic Chemistry Interview Questions Inorganic Chemistry (123)
  • Analytical Chemistry Interview Questions Analytical Chemistry (1387)
  • Physical Chemistry Interview Questions Physical Chemistry (62)
  • General Chemistry Interview Questions General Chemistry (478)
  • Chemistry AllOther Interview Questions Chemistry AllOther (190)