Rtx-DHA 氣相色譜柱

更新時間：2023-06-15

簡要描述：

Rtx-DHA 氣相色譜柱Crossbond技術鍵合100%二甲氧基聚硅氧烷—*適合于碳氫化合物的分析。

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Rtx-DHA 氣相色譜柱產品性能：

(Crossbond技術鍵合100%二甲氧基聚硅氧烷—*適合于碳氫化合物的分析)
該柱性能滿足或超過了STM D6730-01和CAN/CGSB 3.0 4.3-99方法的要求；每根色譜柱附帶有方法D6730的檢驗報告。
對極性氧化物有出色的響應和峰對稱性。

類似固定相：HP-PONA, DB-Petro, CP-Sil PONA C8,Petrocol DH

訂貨信息：

Impurities in Methyl-t-Butyl Ether (MTBE) on Rtx®-DHA-50 (ASTM D5441)

	Peaks
7.	2-Methyl-2-butene
8.	tert-Butyl ethyl ether
9.	tert-Amyl methyl ether (TAME)
10.	2,4,4-Trimethyl-1-pentene
11.	4,4'-Dimethyl-2-neopentyl-1-pentene (triisobutylene)
12.	2,2,4,6,6-Pentamethyl-3-heptene (triisobutylene)

GC_PC1270

Column	Rtx®-DHA-50, 50 m, 0.20 mm ID, 0.50 µm (cat.# 10147)
Sample	ASTM D5441 MTBE contaminants mix

Conc.:	1 % (w/w) each component in MTBE
Injection
Inj. Vol.:	0.2 µL split (split ratio 200:1)
Liner:	Cup splitter (cat.# 20710)
Inj. Temp.:	200 °C
Oven
Oven Temp.:	40 °C (hold 13 min) to 180 °C at 10 °C/min (hold 3 min)
Carrier Gas	He, constant flow
Flow Rate:	0.9 mL/min
Linear Velocity:	23 cm/sec @ 40 °C
Detector	FID @ 250 °C
Make-up Gas Flow Rate:	24 mL/min
Make-up Gas Type:	N2
Hydrogen flow:	30 mL/min
Air flow:	350 mL/min
Instrument	Agilent 7890B GC
Notes	Resolution between trans-2-pentene/tert-butanol and tert-butanol/cis-2-pentene meets the ASTM Method D5441 requirement of R ≥ 1.3.

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