What is the optimum period of storage of indicators?



What is the optimum period of storage of indicators?..

Answer / b.gangatharan

Indicator solutions are generally stable at room temperature and if adequate precautions are taken to avoid loss by evaporation.it can easily be used for a period of three to six months.hence an optimum period for the use of indicator solution is three months.

Thanks&regards,
B.Gangatharan,
chennai.

Is This Answer Correct ?    4 Yes 0 No

Post New Answer

More Analytical Chemistry Interview Questions

in hplc calibration injector linearity pass,it means inj and det is good. why to perform detector linearity is it required, if it is required,what is difference between injector and detector linearity in hplc calibration

4 Answers   Dr Reddys, Hetero,


What is the difference between STANDARDIZATION and CALIBRATION of instrument like KF? why do we standardization of KF everyday? Why the KF factor being only 5.02 etc? 

5 Answers   AlpaMed, Vergo pharma research,


Why do we use KCl ,K2Cr207,Toulene & Halonium oxide for the caliberation of UV

2 Answers   Apotex,


How they found 1mL of K.F reagent is equivalent to 5mg of water and if we change the composition of K.F reagent, is it can neutralize more amount of water?

0 Answers  


CAN WE DETERMINE THE PEAK PURITY IN GAS CHROMATOGRAPHY ANALYSIS?

0 Answers  






IN pH CALIBRATION,CALIBRATION IS DONE FOR pH METER OR ELECTRODE?HOW WILL YOU JUDGE THAT THE METER TO BE CALIBRATED WITH 4,7,9.2 BUFFERS?EXPLAIN TEMPERATURE EFFECTS ON pH.

1 Answers   Aurobindo,


which lights using during force degradation?

1 Answers  


Why Na lamp is used in polarimeter?

5 Answers   Vimta Labs,


What is the difference between c8 and c18 hplc column?

1 Answers  


What will be the effect on HPLC analysis result if three mobile phases given separately through three valves and same proportion mixed together and given by one valve?

1 Answers   LOIL,


One pH means how much volts and milivolts?

7 Answers   Dr Reddys,


In Number of Theoretical Plates (N) = 16 (tr/w)2. where tr: retention time, and W: peak width. My Question is here in formula what is 16.Can u explain briefly? ---Veerabhadrarao.M

3 Answers   Micro Labs, Richter Themis, Sun Pharma,


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)