당신은 주제를 찾고 있습니까 “supelco spme fiber – SPME는 무엇입니까?“? 다음 카테고리의 웹사이트 https://ppa.charoenmotorcycles.com 에서 귀하의 모든 질문에 답변해 드립니다: https://ppa.charoenmotorcycles.com/blog. 바로 아래에서 답을 찾을 수 있습니다. 작성자 Restek Corporation 이(가) 작성한 기사에는 조회수 3,096회 및 좋아요 69개 개의 좋아요가 있습니다.
supelco spme fiber 주제에 대한 동영상 보기
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d여기에서 SPME는 무엇입니까? – supelco spme fiber 주제에 대한 세부정보를 참조하세요
Solid phase microextraction, or SPME, is a fast and versatile sample preparation technique that reduces sample handling and solvent consumption. It can be used for headspace and immersion sampling while producing very clean extracts.
In this Restek Tip, we explore the basics of SPME. What is it? How does it work? And what are its advantages?
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Additional Resources
High-Performing Restek PAL SPME Fibers | https://www.restek.com/technical-literature-library/articles/high-performing-restek-pal-spme-fibers
Set Your Sights on Superior Performance — Restek PAL SPME Arrow | https://www.restek.com/technical-literature-library/articles/set-your-sights-on-superior-performance/
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Restek Recommended Tools \u0026 Parts
Restek PAL SPME Fibers | https://www.restek.com/products/sample-preparation–air-sampling/sample-preparation-products/SPME/47352/
Restek PAL SPME Arrows | https://www.restek.com/products/sample-preparation–air-sampling/sample-preparation-products/SPME/49955/
Restek PAL SPME Manual Injection Kit | https://www.restek.com/products/sample-preparation–air-sampling/sample-preparation-products/SPME/49957/
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Website: https://www.restek.com
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supelco spme fiber 주제에 대한 자세한 내용은 여기를 참조하세요.
SPME for GC Analysis
Four fibers are available: a polydimethylsiloxane. (PDMS)/Carboxen fiber for trace levels of volatiles, a general purpose PDMS fiber, a PDMS/DVB fiber for semi- …
Source: www.supelco.com.tw
Date Published: 11/15/2022
View: 3076
supelco-7-spme.pdf – Respiratory Research
Most of these fibers are compatible with HPLC solvents, but the 100 µm and. 30 µm PDMS-coated fibers cannot be used with hexane. SPME fiber holders are …
Source: www.respiratoryresearch.com
Date Published: 12/28/2021
View: 8389
주제와 관련된 이미지 supelco spme fiber
주제와 관련된 더 많은 사진을 참조하십시오 SPME는 무엇입니까?. 댓글에서 더 많은 관련 이미지를 보거나 필요한 경우 더 많은 관련 기사를 볼 수 있습니다.
주제에 대한 기사 평가 supelco spme fiber
- Author: Restek Corporation
- Views: 조회수 3,096회
- Likes: 좋아요 69개
- Date Published: 2022. 1. 18.
- Video Url link: https://www.youtube.com/watch?v=YC201BnFGZc
Polydimethylsiloxane/Divinylbenzene (PDMS/DVB) SPME Fibers from Sigma-Aldrich Supelco
Average Rating: 4.7 | 1 Scientist has reviewed this product
5 out of 5
Ease of use 5 out of 5
After sales service 4 out of 5
Value for money Write your own review
Kymeri Davis
Status: Reviewer
Reviewer Member since: 2019
Organization: IUPUI
Ease of use 5 out of 5 After sales service 5 out of 5 Value for money 4 out of 5 My favorite SPME fiber. Rating: 4.7
Application Area: SPME of drugs ” Product is easy to use and easy to maintain. Stripping of the fiber is an issue, so be sure to watch which compounds are reacting on the fiber coating. ”
Review date: 11 Jul 2019 | Polydimethylsiloxane/Divinylbenzene (PDMS/DVB) SPME Fibers 11 Jul 2019 |
Polydimethylsiloxane/Divinylbenzene (PDMS/DVB) SPME Fibers.
Solid Phase Microextraction (SPME) is an innovative, solvent-free sample prep technology that is fast, economical, and versatile. SPME uses a fiber coated with a liquid (polymer), a solid (sorbent), or a combination of both. The fiber coating removes the compounds from your sample by absorption in the case of liquid coatings or adsorbtion in the case of solid coatings. The SPME fiber is then inserted directly into the chromatograph for desorption and analysis. SPME has gained wide spread acceptance as the technique of preference for many applications including flavors and fragrances, forensics and toxicology, environmental and biological matrices, and product testing to name a few.
Supelco® Smart SPME Fibers
Supelco® Smart SPME fibres designed for the PAL3 Series II autosampler combine Supelco’s SPME coating expertise and innovations with Smart technology for seamless sample preparation. The Smart fibres are equipped with a unique Smart chip that allows users to monitor essential parameters such as stroke count, dates of operation, and temperature exposure (Figure 1). Additionally, the Smart chip defines the limitations of the specific SPME fibre coating being utilised thus allowing the system to alert the user if a programmed method falls outside of the recommended parameters. The complete Supelco SPME portfolio is now available in the Smart SPME format, including the innovative Carboxen®, dual-coated, and overcoated fibres.
Carboxen® (CAR/PDMS) coated SPME fibres offer the most efficient extraction of small volatile analytes (molecular weight < 150). Due to the greater relative absorptive strength of the used Carboxen® carbon molecular sieve (CMS) for small molecules, compared to spherical graphitised polymer carbon (SGPC) or graphitised carbon black (GCB) adsorbents, the fibres can retain volatile analytes more strongly for more sensitive and reliable results. This characteristic can be attributed to the Carboxen® tapered pore structure which results in enhanced thermodynamic properties and kinetics, enabling both efficient adsorption and desorption of low molecular weight or volatile compounds. Carboxen® fibres are ideal for trace level analysis. Carboxen® fibres are also used in the dual coated DVB/CAR/PDMS version, which offers high extraction efficiencies of a particle fibre and expands the molecular weight range that can be sampled with a single fibre. Supelco® SPME-OC (overcoated) PDMS/DVB fibres were designed to address the challenges associated with immersion SPME of complex/high background matrices. During direct immersion, food samples which contain fats, sugars, pigments, and other macromolecules tend to stick to adsorptive (particle) SPME fibres causing a reduction in fibre life time. Additionally, these matrix components can be transferred to the GC where they may interfere with chromatographic analysis and/or cause more frequent maintenance. Supelco® SPME-OC PDMS/DVB fibres incorporate a protective PDMS overcoating on the fibre making it more physically robust, less prone to chemical fouling, and enable an efficient wash step reducing matrix transfer. For example, Supelco® SPME-OC PDMS/DVB fibres were used for the direct immersion analysis of bisphenol A (BPA) in pureed carrot baby food (Figure 2). Supelco’s comprehensive portfolio of SPME fibres, including the innovative Carboxen®, dual-coated, and overcoated fibres were engineered to ensure optimal extraction & desorption efficiency, limit sample carryover, and enable sampling of analytes over a wide molecular weight range. Supelco’s tried-and-true SPME fibres combined with Smart technology offer the user accurate, precise and consistent results – every time. More information online: www.sial.com/spme
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