толщина слоя фазы

English translation: Stationary phase film thickness

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GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
Russian term or phrase:толщина слоя фазы
English translation:Stationary phase film thickness
Entered by: Kimberly 
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21:28 Jul 13, 2018
Russian to English translations [PRO]
Medical - Medical: Pharmaceuticals / Gas chromatography
Russian term or phrase: толщина слоя фазы
Газовый хроматограф оснащен пламенно-ионизационным детектором и кварцевой капиллярной колонкой с внутренним диаметром 0,53 мм, длиной 30 м с ***толщиной слоя фазы*** 3,0 мкм, содержащей химически поперечно связанные цианопропилфенил (6%) и диметилполисилоксан (94%) и кварцевой защитной колонкой с внутренним диаметром 0,53 мм, длиной 5 м, деактивированной фенилметилсилоксаном.
Kimberly 
United States
Local time: 23:59
Stationary phase film thickness
Explanation:
I've never worked with chromatography. But it looks like film thickness during the stationary phase has a significant impact on run time.

I've attached a couple of resources discussing stationary phase film thickness and its impacts in chromatography. Hope that helps!

If your lucky someone who works with chromatography can confirm. :)

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Note added at 25 mins (2018-07-13 21:53:58 GMT)
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It seems like a lot of places just use "film thickness" and sometimes just "film" because thickness and stationary phase are implied.

See the following:
"There was no significant difference in hmin or ūopt for film thicknesses from 0.25 to 1.0 μm over k = 1 to 5. At a film thickness of 1.0 μm, calculations indicate that approximately 10% resolution loss would be expected for solutes with k = 1."

Or

"Fused‐silica capillary columns with internal diameters of 50 μm were coated with 0.25 to 1.0 μm films of SE‐54 and evaluated under supercritical fluid ..."

Both are from the second reference, relisted here.
https://onlinelibrary.wiley.com/doi/abs/10.1002/jhrc.1240070...


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Note added at 26 mins (2018-07-13 21:54:45 GMT)
--------------------------------------------------


Whoops forgot to close my italics...
Selected response from:

Daniel Price
United States
Local time: 21:59
Grading comment
4 KudoZ points were awarded for this answer



Summary of answers provided
3 +2Stationary phase film thickness
Daniel Price


  

Answers


19 mins   confidence: Answerer confidence 3/5Answerer confidence 3/5 peer agreement (net): +2
Stationary phase film thickness


Explanation:
I've never worked with chromatography. But it looks like film thickness during the stationary phase has a significant impact on run time.

I've attached a couple of resources discussing stationary phase film thickness and its impacts in chromatography. Hope that helps!

If your lucky someone who works with chromatography can confirm. :)

--------------------------------------------------
Note added at 25 mins (2018-07-13 21:53:58 GMT)
--------------------------------------------------

It seems like a lot of places just use "film thickness" and sometimes just "film" because thickness and stationary phase are implied.

See the following:
"There was no significant difference in hmin or ūopt for film thicknesses from 0.25 to 1.0 μm over k = 1 to 5. At a film thickness of 1.0 μm, calculations indicate that approximately 10% resolution loss would be expected for solutes with k = 1."

Or

"Fused‐silica capillary columns with internal diameters of 50 μm were coated with 0.25 to 1.0 μm films of SE‐54 and evaluated under supercritical fluid ..."

Both are from the second reference, relisted here.
https://onlinelibrary.wiley.com/doi/abs/10.1002/jhrc.1240070...


--------------------------------------------------
Note added at 26 mins (2018-07-13 21:54:45 GMT)
--------------------------------------------------


Whoops forgot to close my italics...

Example sentence(s):
  • The separation and run time also depends on the film thickness (of the stationary phase), the column diameter and the column length.
  • Effect of stationary phase film thickness on efficiency in capillary supercritical fluid chromatography

    https://en.wikipedia.org/wiki/Gas_chromatography
    https://onlinelibrary.wiley.com/doi/abs/10.1002/jhrc.1240070714
Daniel Price
United States
Local time: 21:59
Native speaker of: Native in EnglishEnglish
PRO pts in category: 4
Notes to answerer
Asker: Thank you Daniel for nice explanation. :)


Peer comments on this answer (and responses from the answerer)
agree  Vladyslav Golovaty
28 mins

agree  Igor_2006
8 hrs
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