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J Tube, Screw Fitting
Product Code: SUK-SCHOOL-SSLAB-B000032
Description & Specifications
J Tube, Screw Fitting
Technical Specification
Glass J-tube formed from 1 mm bore thick walled capillary tube, with a
brass screw and collar at the end of the longer limb. A bubble of gas is
introduced into the short limb. Used for sampling small quantities of
gas held over water. This is then lowered into reagent solution and the
bubble moved back and forth so that reagent diffuses through the end
water seal. Use potassium hydroxide for CO2 or alkaline pyrogallol for
O2. The change in length of the bubble indicates the amount of gas taken
up by the reagent. Dimension: long limb - 250 mm and short limb - 100
mm.
