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A vacutainer blood collection tube is a sterile glass or plastic test tube with a colored rubber stopper creating a vacuum seal inside of the tube, facilitating the drawing of a predetermined volume of liquid. Vacutainer tubes may contain additives designed to stabilize and preserve the specimen prior to analytical testing.
A laboratory rubber stopper or a rubber bung or a rubber cork is mainly used in chemical laboratories in combination with flasks and test tube and also for fermentation in winery. [ 1 ] [ 2 ] [ 3 ] Generally, in a laboratory , the sizes of rubber stoppers can be varied up to approximately 16 sizes and each of it is specific to certain type of ...
These tubes are commonly sealed with a rubber stopper and often have a specific additive placed in the tube with the stopper color indicating the additive. For example, a blue-top tube is a 5 ml test tube containing sodium citrate as an anticoagulant, used to collect blood for coagulation and glucose-6-phosphate dehydrogenase testing. [ 5 ]
In 1978, competing in-tank toilet cleaner 2000 Flushes was launched, initially as a jar of chlorine bleach crystals for the toilet tank. In 1987, Sara Lee Household and Body Care purchased the Ty-D-Bol brand from near-bankrupt Papercraft Holdings, [ 6 ] operating it as part of its Kiwi Brands division in Douglassville, Pennsylvania . [ 7 ]
Many plumbers, manufacturer of toilets, and other professionals discouraged in-tank toilet cleaning products due to major disadvantages. [8] A major complication that may occur includes bleach breaking down rubber gaskets and corroding steel parts. [9] Another issue is the blue dye commonly used in in-tank cleaning tablets may cover up iron ...
The hook shape makes it easier to feed the auger into the toilet. A plastic or rubber boot on the end of the rigid tubing protects the finish of the visible porcelain. Since most toilet clogs occur in the trap built into the bowl, the short cable is sufficient to break up or retrieve the majority of clogs.