why we are using k2cr207 in uv calibration ? why we r not
using kmno4?

Answer Posted / rajender

potassium dichromate(130 centigrade 2 hrs drying) is a primary standard and it does not degrades upon longterm exposure to U.V , it appears in multiple wavelength regions

Is This Answer Correct ?    4 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

how can give the expiry period and restadardisation of volumetric solution

2039


why cone formation during dissolution?

302


if you have given a blank water how you analyse by general analytical techniques?

1494


what are the guidelines for analytical method validations?

580


How you develop a method in HPLC?

2065






how require to interprit the method precision data of hptlc?

283


Why a1% value is used for some product ? What is the criteria for selection a1% value ?

1852


what is third integration

1481


How to calibration of the uv spectroscopy and its test?

655


What is column in chromatography?

1749


in which situation require to change rs specification?

260


can we use the same detector in HPLC as well GC and what could be the differences we can find in the final chromato graph in any aspects?

1693


1)What's the meaning of Absorption,give a example. 2)What's the meaning of Adsorption,give a example. 2)what is the difference between Absorption and Adsorption.

2408


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

2074


please explain about aluminium hydroxide assay

695