Why 1.2% KCl is used for limit of stray light? and why
limit of stray light is required in UV calibration?




Answers were Sorted based on User's Feedback



Why 1.2% KCl is used for limit of stray light? and why limit of stray light is required in UV cali..

Answer / rk

First we have to know what is stray light. Stray light
defined as the light which is coming from the intended
source,not in intended path and also not with the intended
source, and KCl is used because it acts as stray filter

Is This Answer Correct ?    32 Yes 7 No

Why 1.2% KCl is used for limit of stray light? and why limit of stray light is required in UV cali..

Answer / s dinesh

1.Stray light means the rays of light other than intended use.These make hindrance in the path of mono-chromatic light of use i.E.Why it is calculated. Its value must be greater than 2.0 at about 200nm.
2. 1.2 % soln is the conc of KCl which is capable restricting the undesired Radiations.

Is This Answer Correct ?    7 Yes 0 No

Why 1.2% KCl is used for limit of stray light? and why limit of stray light is required in UV cali..

Answer / minhaz the great

Stray light is light other than intended source. 1.2% w/v solution of KCl in a1cm at 200nm gives 2.0 absorbance and if stray light is present it shows deflection in absorbance. Hence it can act as filter

Is This Answer Correct ?    1 Yes 0 No




Why 1.2% KCl is used for limit of stray light? and why limit of stray light is required in UV cali..

Answer / vijay kumar y

1.0% NaI also used for stray light calibration at 210-260
nm..and it gives max. at 220.
in the same way
5.0% NaNo2 also used for stray light calibration at 300-385
nm..and it gives max. at 340.

Is This Answer Correct ?    9 Yes 13 No

Why 1.2% KCl is used for limit of stray light? and why limit of stray light is required in UV cali..

Answer / suresh

kcl is primary standard&it has high penetrating power.

Is This Answer Correct ?    11 Yes 15 No

Post New Answer



More Analytical Chemistry Interview Questions

While performing TOC sst analysis Zero shift disabled & sample analysis zero shift enabled why?

0 Answers  


what is the meaning of linearity,principle of co-relation coefficient?

3 Answers  


In UV we measure absorbance , how it is happend ? explain me

4 Answers  


Why Na lamp is used in polarimeter?

5 Answers   Vimta Labs,


What is difference between Potency & purity

3 Answers  






reasons for negative peaks in chromatography

5 Answers   DRL,


How do you give training to a new chemist

3 Answers   Reddy Labs,


HOW RRF IS CALCULATED IN HPLC

2 Answers  


iam using ph instrument lab india make.3ponit and 5point.in calibration time 3point slope will come 98.89and 96.87.that limit is 85 to 105.what basis slope will come.any calucalation between them.5point wiicome slope 99.89?why 3p0int came 2 values

1 Answers  


Weight balance variation limit during analysis

7 Answers   Amneal Pharmaceuticals,


What is the thickness of polystyrene film?

8 Answers   Pharmaffiliates Analytics and Synthetics,


why we are using buffer solutionas as a mobile phase in hplc.

2 Answers  






Categories
  • Organic Chemistry Interview Questions Organic Chemistry (287)
  • Inorganic Chemistry Interview Questions Inorganic Chemistry (113)
  • Analytical Chemistry Interview Questions Analytical Chemistry (1186)
  • Physical Chemistry Interview Questions Physical Chemistry (62)
  • General Chemistry Interview Questions General Chemistry (300)
  • Chemistry AllOther Interview Questions Chemistry AllOther (77)