Why the ph limit (1_14) Is used?

Answer Posted / adityakiran

ionic product of water at 25 degrees 1*10 Power-14. that why pH of water 0 to 14
so we measure the pH of buffer with respect to water only at 25 degrees

Is This Answer Correct ?    1 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Difference between the quantitative analysis and qualitative analysis?

607


EXPLAIN THE CALCULATION PART OF AN KF TITRATOR CALIBRATION WITH SUITABLE EXAMPLE

2114


What is the formula for relative diffrence for standard solution in solution stability in validation?

291


What is the principle of HPLC, GC, LCMS, GCMS,LC QQQ, GC QQQ, LC Q TOF and GC Q TOF. What are the applications and Specificity?

8294


In GC calibration,what is the procedure to calibrate the TCD (thermal counductivity detector)suggest ?

2693






how you fix the limits of impurities?

365


How can the GC or HPLC method is selected to determine the impurity profile in drug product?

6837


How to start the dissolution development for unknown tab?

1130


How can we calculate offset value pH measurment

1052


In the HPLC Calibration done wavelength accuracy done between 200nm-280nm .but not done remaining 300-400nm not done ?

446


acceptance criteria for lod & loq by standard deviation of response and slope??

2074


in monograph 7 imp are there but in vendor showing 5 imp do not req to include 2 imp for that what will be justification?

252


calibrtion procedue of LC-MS

2129


AT WHAT CONDITIONS WILL YOU ANALYSE A SAMPLE,WHICH ARE PRESERVED AT OTHER THAN THE AMBIENT CONDITIONS?(ie COLD STORAGE SAMPLES BELOW 20* CENTIGRADE?

1593


What is column in chromatography?

1749