Instrument Features Features

Sealed liquid cell is a specialized accessory for infrared spectrophotometers, used to measure volatile liquid samples that cannot be determined by detachable liquid cells. This liquid pool uses KBr as a window, with a transmission range of 2.5 μ -25 μ m, and can perform infrared measurements of liquid thicknesses of 0.05mm, 0.1mm, 0.25mm, and 0.5mm. The standard configuration is 0.25mm.

Operating Instructions

Specific operation method (must be operated in a dry environment, such as in a room with a dehumidifier or placing an infrared baking lamp on a workbench):

1. First, place the liquid pool flat on the table and remove the PTFE plug.

2. Take out the sample with a syringe.

3. Insert the syringe into the injection port of the sealed liquid cell. Inject the sample into the liquid pool and then insert the sealing plug.

4. After analysis, remove the sealing plug of the sealed liquid tank and repeatedly blow air with a needle syringe to discharge the liquid from the tank.

5. If not used for a long time, residual samples can be cleaned with carbon tetrachloride and dried before being stored in a glass container.

6. Before reuse, if the transparency of the window panel is found to be poor, a small amount of anhydrous ethanol can be adsorbed onto deer skin and ground before use.

7. Lead sheets: 0.05mm per sheet (optional), 0.1mm per sheet (optional), 0.25mm per sheet (standard), 0.5mm per sheet (optional).

Notes on precautions

1. Sealed liquid tanks must be cleaned with acetone or carbon tetrachloride before and after use. When using injection needles for operation, do not mix samples and clean the needles with cleaning agents at any time.

2. The assembly of sealed liquid tanks is relatively complex, so great care should be taken when using them to avoid damaging the window panels.

3. When storing, remove the inlet and outlet plugs of the fixed pool, use good desiccants for other components, and store them in a dry container.

4. Try not to loosen the screws as much as possible.

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