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Absorbents
Tenax Series
Tenax TA
Tenax TA is composed of a weak acidic porous polymer based on 2,6-diphenyl-p-phenylene oxide. A major cause of ghost peaks would be aromatic hydrocarbons including toluene, xylene, ethylbenzene, etc., contained as impurities in the Tenax GC. In trace analysis, ghost peaks affect resultant data. Tenax TA is designed to minimize ghost peaks and it can be used both as a column packing material and as a trapping adsorbent for organic volatile and semi-volatile compounds.
- Stable base line with short conditioning time (Conditioning with low temperature prolong column life)
- Maximum operation temperature: 350 ºC
- Suitable for the capture and concentration of trace organic compounds in air and water (When usage, it is recommended for bringing out good performances after pre-treatment (sorbent wash and conditioning).
Tenax TA Property
|
Contents
|
Physical Property
|
|
Specific surface area (m2/g)
|
35
|
|
Pore volume (cm2/g)
|
2.4
|
|
Average pore size (nm)
|
200
|
|
Density (g/cm3)
|
0.25
|
| Description | Mesh | Volume | SDS | Qty. | Cat.No. |
|---|---|---|---|---|---|
| Tenax TA | 20/35 | 5g | ENG | 5g | 1002-31102 |
| Tenax TA | 35/60 | 5g | ENG | 5g | 1002-31103 |
| Tenax TA | 60/80 | 5g | ENG | 5g | 1002-31106 |
| Tenax TA | 80/100 | 5g | ENG | 5g | 1002-31108 |
| Tenax TA | 20/35 | 15g | ENG | 15g | 1002-31202 |
| Tenax TA | 35/60 | 15g | ENG | 15g | 1002-31203 |
| Tenax TA | 60/80 | 15g | ENG | 15g | 1002-31206 |
| Tenax TA | 80/100 | 15g | ENG | 15g | 1002-31208 |
Tenax GR
Tenax GR is made by adding 23 % 0.5 µm graphite carbon at the polymerization of Tenax. Generally, Tenax is good at hydrophobicity and thermal stability, and often used for thermal desorption of volatile compounds in air and water. Keeping these strategies, this has high rate graphite (23 %) and makes higher breakthrough volume than conventional.
Tenax GR Property
|
Contents
|
Physical Property
|
|
Specific surface area (m2/g)
|
25
|
|
Density (g/cm3)
|
0.30
|
| Description | Mesh | Volume | SDS | Qty. | Cat.No. |
|---|---|---|---|---|---|
| Tenax GR | 20/35 | 10g | ENG | 10g | 1050-25000 |
| Tenax GR | 35/60 | 10g | ENG | 10g | 1050-25010 |
| Tenax GR | 60/80 | 10g | ENG | 10g | 1050-25020 |
| Tenax GR | 80/100 | 10g | ENG | 10g | 1050-25030 |
Breakthrough Volumes at 20 ºC (Unit: mL/mL)
|
Samples
|
Tenax TA
|
Tenax GR
|
|
HALOGENATED COMPOUNDS
|
－
|
－
|
|
Monochloromethane
|
44
|
121
|
|
Dichloromethane
|
275
|
890
|
|
Trichloromethane（Chloroform）
|
1,460
|
3,160
|
|
Tetrachloromethane
|
3,210
|
6,250
|
|
Monochloroethane
|
246
|
393
|
|
1,1-Dichloroethane
|
664
|
2,350
|
|
1,2-Dichloroethane
|
1,880
|
23,700
|
|
1,1,1-Trichloroethane
|
3,650
|
12,000
|
|
1,1,2-Trichloroethane
|
21,900
|
57,700
|
|
1,1,2,2-Tetrachloroethane
|
185,000
|
932,000
|
|
Dibromomethane
|
4,020
|
15,300
|
|
Tribromomethane（Bromoform）
|
215
|
470
|
|
Tetrabromomethane
|
500,000
|
854,000
|
|
Monobromoethane
|
469
|
1,580
|
|
1,2-Diboromoethane
|
27,200
|
113,000
|
|
1,1,2,2-Tetrabromoethane
|
6,881,000
|
3,280,000
|
|
Vinyl chloride
|
69
|
278
|
|
HYDROCARBONS
|
－
|
－
|
|
Methane
|
1
|
1
|
|
Ethane
|
4
|
7
|
|
Propane
|
26
|
46
|
|
Butane
|
135
|
217
|
|
AROMATICS
|
－
|
－
|
|
Benzene
|
8,800
|
18,600
|
|
Toluene
|
34,800
|
127,000
|
|
INORGANIC
|
－
|
－
|
|
Water
|
11
|
26
|