推薦產品
材料
fused silica
agency
suitable for EPA 1613
參數
≤25-275 °C temperature (isothermal or programmed)
β值
313
df
0.20 μm
技術
gas chromatography (GC): suitable
長度 × 內徑
60 m × 0.25 mm
應用
agriculture
environmental
food and beverages
柱類型
capillary highly polar
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一般說明
应用：一种专门经二恶英，特别是四氯二苯并恶嗪（TCDD）异构体分析测试的高极性硅氧烷柱。由于相是稳定的，它的最高温度略高于非键合的氰硅氧烷色谱柱。
USP 代码 ：无
相：
USP 代码 ：无
相：
- 稳定
- 专有
- 低于275°C（等温或程序化）
應用
SP®-2331 GC柱可用于高分辨率气相色谱，对于带有1至8个氯取代基的聚氯二苯并二恶英和聚氯二苯并呋喃具有质量选择性检测功能。
其他說明
我们提供各种色谱配件，包括 分析注射器
法律資訊
SP is a registered trademark of Sigma-Aldrich Co. LLC
The determination of chlorinated biphenyls, chlorinated dibenzodioxins, and chlorinated dibenzofurans by GC-MS.
Karlheinz B
Journal of High Resolution Chromatography, 15 (4), 260-270 (1992)
Vyacheslav N Fishman et al.
Journal of chromatography. A, 1139(2), 285-300 (2006-12-13)
The applicability of 13 different GC columns (Agilent HP-5MS, Restek Rtx-5MS, Rtx-Dioxin2, Supelco Equity 5, SP-2331, Varian VF-5MS, CP-Sil 8 CB LowBleed/MS, J&W Scientific DB-5, DB-225, DB-XLB, DB-5MS, Phenomenex ZB-5MS, and ZB-5UMS) for US Environmental Protection Agency (EPA) methods 1613b
Anna Malmvärn et al.
Environmental science & technology, 39(21), 8235-8242 (2005-11-22)
Polybrominated dibenzo-p-dioxins (PBDDs) are known to be formed as byproducts in connection with the manufacture and combustion of products containing brominated flame retardants. However, to date little is known about the occurrence of PBDDs in biological samples. The aim of
Lan Do et al.
Journal of chromatography. A, 1347, 137-145 (2014-05-13)
Principal component analysis (PCA) was applied for evaluating the selectivity of 22 GC columns for which complete retention data were available for the 136 tetra- to octa-chlorinated dibenzo-p-dioxins (PCDDs) and dibenzofurans (PCDFs). Because the hepta- and octa-homologues are easy to
我們的科學家團隊在所有研究領域都有豐富的經驗，包括生命科學、材料科學、化學合成、色譜、分析等.
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