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Agilent Technologies Gas Management Supplies |
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Crawford Scientific offer the highest performance and largest variety of gas purifiers to gas chromatographers. We supply purifiers in an astonishing variety of sizes and configurations, to remove oxygen, moisture, and hydrocarbons. |
Our product line contains inline
gas purifiers including refillable, indicating, S-shaped, and metal body types. In line gas
purifiers are made to remove specific contaminants. We also carry gas purification systems
with removable cartridges. These systems provide the ability to design the right combination
of filters needed for your application.
Please refer to the following Gas Purifier Selection Guide
to determine which gas purifiers you should use. |
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Gas Purification Selection Guide |
| In Line Purifiers |
| Contaminant |
Description |
Series |
Unique Features |
Refillable |
| Moisture (H2O) |
Economy Indicating Moisture Traps |
MT, MT-D, MT-S |
Economical plastic "Lexan" body for durability |
Yes |
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Glass Indicating Moisture Traps |
GMT, LGMT |
Glass body for no moisture diffusion |
Yes |
| S-Traps |
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Can be reconditioned in GC oven |
No |
| Big Moisture Traps |
BMT |
Ultra-high capacity for moisture |
Yes |
| Refills for Moisture Traps |
MT, MT-D, MT-S, GMT, LGMT, BMT |
Makes gas purification more economical |
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| Oxygen (O2) |
Indicating Oxygen Traps |
IOT, LIOT |
Glass construction with plastic safety shield |
No |
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Oxygen Traps |
OT1 |
Economical non-indicating oxygen trap |
No |
| Big Oxygen Traps |
BOT |
Ultra-high capacity for oxygen |
No |
| Hydrocarbons (HCs) |
Hydrocarbon Traps |
HT |
Economical trap for hydrocarbons |
Yes |
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Big Hydrocarbon Traps |
BHT |
Ultra-high capacity for hydrocarbons |
Yes |
| S-Traps |
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Can be reconditioned in GC oven |
No |
| Capillary Grade Hydrocarbon Traps |
HT3 |
High surface area adsorbent, purged with high purity helium |
Yes |
| Refills for Hydrocarbon Traps |
HT, BHT, HT3 |
Makes gas purification more economical |
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| Combination Traps |
Oxygen/Moisture Trap |
OT3 |
Bi-functional trap, leak-free one-piece design |
No |
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Hydrocarbon/Moisture Trap |
HMT |
Bi-functional trap, leak-free one-piece design |
Yes |
| Big Universal Trap |
RMS |
Gas-specific (for purifying He, N2, or H2), ultra-high capacity, removes H20, 02, HCs, CO, and CO2, recommended for GC and GC/MS gas supplies |
No |
| Refill for Hydrocarbon/Moisture Trap |
HMT |
Makes gas purification more economical |
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| Purification Systems |
| Multiple |
High Capacity Gas Purification System |
1 or 3 position cartridge system with ultrahigh capacity and rugged, all-welded stainless steel construction for optimal purity, available with triple combination trap |
No |
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Quick Change + Point of Operation Panel |
1, 2, 3, or 4 position cartridge system with quick change (QC) connections and unique valves to change cartridges without interrupting gas flow to the instrument |
No |
| Super-Clean Gas Filter System |
1, 2, 3, or 4 position modular, quickconnect cartridge system with visible indicators |
No |
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| Other Purifiers |
| Organics |
Split Vent Trap |
RDT |
Cartridge design with durable cartridge holder and replacement cartridges |
No |
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| Accessories |
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Mounting Clips |
MC, UMC |
Designed to hold In Line Purifiers |
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| Trap Mounting Panel |
UMP |
Designed to hold In Line Purifiers |
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