Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...


why we are doing seal wash and needle wash?

Answers were Sorted based on User's Feedback



why we are doing seal wash and needle wash?..

Answer / guest

before starting the analysis of hplc ,previously buffer is
in between the injection needle

Is This Answer Correct ?    8 Yes 1 No

why we are doing seal wash and needle wash?..

Answer / amol kalkute

Because to wash the needle, if we are not doing this it will change the result, unknown peak of previously performed drug substance occur.

Is This Answer Correct ?    3 Yes 0 No

why we are doing seal wash and needle wash?..

Answer / asndranagarjuna

1.Seal wash for reducing back pressure,
2.Needle wash for avoid contamination by syrenge.

Is This Answer Correct ?    2 Yes 0 No

Post New Answer

More Analytical Chemistry Interview Questions

why chiral compounds will rotate the plane polarized light in SoR.

4 Answers   GVK,


How to calculate signal to noise ratio by this formula 2H/h where h from where and how to measure

2 Answers  


What id the resolution factor

1 Answers  


Which water can use Hplc analysis

9 Answers   BioGenomics, Dr Reddys, Reddy Labs,


difference between calibration and validation

2 Answers   Mylan,


what is the d/f b/w normality and molarity and molality..?

1 Answers  


As per OOT for any product what is calculation and how to invetigate the OOT

3 Answers   Aurobindo, Hetero,


What is quality controle.

6 Answers  


In HPLC calibration, caffeine is used as primary standard for wave length calibration due to caffeine is having dual maxima at 273 & 205 nm and one minima at 245 nm. Any body can give reference of these details from any pharmacopeia (with chapter no.) or any other authentic guideline?

0 Answers  


How to establish pKa for a new API molecule ?

2 Answers   Neuland, Sun Pharma,


What is diffrence between extractable volume and deliverable volume? Answer pls

0 Answers  


what is the use of performing tapped density in pharmaceutical industry

1 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)