热门关键词:苏玛罐,原子吸收分光光度计,环境监测产品,液相色谱,色谱柱。
更新时间:2023-06-15
Rtx-DHA 气相色谱柱Crossbond技术键合100%二甲氧基聚硅氧烷—*适合于碳氢化合物的分析。
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Rtx-DHA 气相色谱柱产品性能:
(Crossbond技术键合100%二甲氧基聚硅氧烷—*适合于碳氢化合物的分析)
该柱性能满足或超过了STM D6730-01和CAN/CGSB 3.0 4.3-99方法的要求;每根色谱柱附带有方法D6730的检验报告。
对极性氧化物有出色的响应和峰对称性。
类似固定相:HP-PONA, DB-Petro, CP-Sil PONA C8,Petrocol DH
订货信息:
ID | df | 温度限 | 50米 | 100米 | 150米 |
0.20 mm | 0.50 μm | -60 to 300/340 °C | 10147 | ||
0.25 mm | 0.50 μm | -60 to 300/340 °C | 10148 | ||
1.00 μm | -60 to 280/340 °C | 10149 |
Peaks | |
---|---|
1. | Methanol |
2. | iso-Pentane |
3. | n-Pentane |
4. | trans-2-Pentene |
5. | tert-Butanol |
6. | cis-2-Pentene |
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. |