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Listing: #3367398
XK columns are designed for standard liquid chromatography of macromolecules
XK empty columns are designed for low to medium pressure, are user friendly, robust, and give reproducible packing.
Description of main parts
The main parts of the column are shown in Figure 1. For a detailed view of the column parts, see the exploded view, Figure 5 on page 5.
- Glass tube (5). The high-precision borosilicate glass tube has a length of 200, 300, 400, 600, or 10001 mm with an inner diameter of , 260.02 or 501.00 mm
- Thermostatic jacket (6). The jacket is an acrylic plastic tube with threaded ends. It encloses the chromatographic tube and is sealed to the end piece with an O-ring.
- Column tube (8). The chromatographic column tube consists of the glass tube, thermostatic jacket and the respective column end pieces.
- Column end pieces (3). The red end pieces, made of reinforced acetal plastic, hold the glass tube and the thermostatic jacket in position. Each end piece houses an O-ring, a sealing ring, a washer and a locking ring. The end piece also carries a fluid connector through which fluid from the thermostat enters or leaves the column.
- Column bottom piece (7). The bottom piece screws onto the column end piece. The medium bed is supported by a 10 m nylon net ring, which is placed on top of a plunger (4). The bottom piece is sealed to the chromatographic tube by an O-ring.
- Adapter (1). The adapter consists of a top end cap that fits the column end piece, and a plunger that carries the net ring and support screen. It also has an adjusting knob (2) that seals the adapter to the column wall.
- Tubing. XK columns are supplied with capillary tubing. The adapter tubing is 130 cm long. The bottom piece tubing is 35 cm long. The inlets on the adapter and the column bottom piece have a 5 cm protection tubing threaded over the capillary tubing. This prevents the capillary tube from being squeezed during transport and storage.
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"The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If so, do not buy this item unless you are an authorized purchaser. If the item is subject to FDA regulation, I will verify your status as an authorized purchaser of this item before shipping of the item."
