23771
KIT-CAPILLARY GAS FLOW BUBBLE METER, STAND INCLUDED
Synonym(s):
Manual Bubble Flowmeter (Capillary Version)
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UNSPSC Code:
41112500
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General description
Bubble flowmeter is a simple and precise way to measure flow rates of gases. It determines the volumetric flow rate by measuring the time taken by the gas stream to move a soap bubble through a specific volume.
This 0.5 mL bubble flowmeter allows the true split ratio to be determined by measuring actual flow rate. The flow tube is graduated in 0.01 mL increments to allow for the low flows typical of capillary GC applications. The flow tube is held by two magnetic clamps so the unit can be attached to any metal surface for easy storage. A version that includes a sampling stand is offered for added portability.
Application
Bubble flowmeter may be used to manually control the flow at the system outlet during analysis of perfluorobutane (PFB) in the exhaled rat air using respiration-metabolism chamber system and a GC-MS method. Bubble flowmeters can be used to check splitter or detector flow or to calibrate personal pumps for accurate air sampling.
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The accuracy of the bubble meter method for gas flow measurements.
Levy A.
Journal of Scientific Instruments, 41 (7), 449-453 (1964)
Steinar Uran et al.
Journal of pharmaceutical and biomedical analysis, 39(3-4), 746-751 (2005-06-21)
Sonazoid is a new contrast agent for ultrasound imaging comprising an aqueous suspension of lipid-stabilised perfluorobutane (PFB) gas microbubbles. A respiration-metabolism chamber system was developed to collect exhaled air following intravenous administration of Sonazoid to rats. Analysis of PFB in
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