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It can often be quite difficult to insert the sample tube into the peristaltic pump tube. This is particularly so if the peristaltic pump tube has a small internal diameter (ID). An example is the pump tubing used for the internal standard which usually has an ID of 0.2 to 0.4mm and is incompatible with the sample tubing OD of 1.3mm. To facilitate this connection, Glass Expansion now supplies the Contour range of flared-end pump tubing. The flared end of this pump tubing allows the larger sample capillary tubing to be inserted.
Any of the pump tubing that we normally supply can be supplied with flared end. This includes PVC 2-tag and 3-tag, Tygon MH 2-tag and 3-tag, Solva 2-tag and Viton 2-tag. The flared-end tubing is supplied in packs of 6. See list of available Contour Flared-end Peristaltic Pump Tubing.
Then check out the Trident Dilution Factor Calculator.
Then check out the Pump Speed and Sample Uptake Calculator.
Just to let you know we're really pleased with the flared end tubing you supplied. It is far easier to use than standard tubing!!!! We've managed to eliminate all the little connectors we had in place too. I'm sure we'll be back for more when the need arises - delivery was incredibly fast and puts a lot of UK based suppliers to shame.
Power company - UK
Your flared end pump tubes are the best idea since Kim Wipes!.
Government food laboratory - USA
Wow, what a great idea! As an ICP analyst, the connection between the peristaltic pump tubing and the nebulizer has always been a problem.
Environmental testing laboratory - USA (in response to information about flared end pump tubing)
I used an older version of the PE Online Internal Standard Addition kit for many years. ... I have found a similar kit offered by Glass Expansion to be a great improvement over the old PE kit. It has a glass T with friction-fit connections that are the same as the GE quick connect nebulizer fittings. They also provide flared-end peristaltic pump tubing that eliminates the problems you run into when trying to connect the narrow bore tubing.
Government laboratory - USA