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Sample Applicators and Superloop™- Superloop™ can be used in conjunction with 7-port valves as shown in the figure. The patented devices enable controlled loading of large samples, either in the form of multiple small injections or a single large injection. They may also be used to inject pulses of a specific buffer solution.
- SA-5 and SA-50 are designed to aid sample application in standard low-pressure chromatography systems. They can also be used as bubble traps.
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Sample Applicators and Superloop™
Technical Information
Superloop™ works in conjunction with 7-port valves. A moveable seal creates two chambers, such that buffer pumped into the upper chamber forces sample from the lower chamber without mixing or diluting the sample. Once the seal reaches the bottom of the lower chamber, a bypass channel in the Superloop™ 10 ml and 50 ml or a titanium valve in Superloop™ 150 ml allows the buffer to follow the sample to the column, if desired.
| TECHNICAL SPECIFICATIONS |
| | | | Superloop™ 10 ml, M6
Superloop™ 10 ml, 1/16" | Superloop™ 50 ml, M6
Superloop™ 50 ml, 1/16" | Superloop™ 150 |
| Pressure limit | 10 bar | 2 bar | 40 bar | 40 bar | 20 bar |
| Min. pressure for seal | NA | NA | 1 bar | 1 bar | 0.5 bar |
| Chemical resistance | A | A | C | C | D |
| Wetted materials | Polymethylpentene | Polymethylpentene | Fluoroplastics,
fluororubber, glass | Fluoroplastics,
fluororubber, glass | As for 10 and
50 plus titanium |
| Sample volume range | 0.2-5 ml | 0.2-45 ml | 1-10 ml | 1-50 ml | 1-150 ml |
| A: For use with aqueous solutions, methanol acids and ethanol. Not to be used with 1 M NaOH, 1 M mineral acids or strong organic acids or phenol. Sterilize with ethylene oxide.
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| C: For use with aqueous solutions and alcohols. Accessory O-rings, solvent resistant, permit use with organic solvents such as acetonitrile and organic esters.
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| D: For use with aqueous solutions and alcohols.
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Loading Superloop™.
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Product related documents
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