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Cahn micro-balance

The manufacturers of the Cahn micro-balance make available an accessory to convert it into a sedimentation balance [72]. The balance pan is immediately below the sedimentation cylinder in order to eliminate convection currents. Shimadzu also make a beam balance [73] that operates using a simple compensating system that is prone to considerable error. [Pg.387]

Adsorption isotherms were determined on a Cahn 1000 vacuum micro-balance system, using a Leybold-Heraeus Turbotronic TMP 120 turbomolecular pump for evacuation and a variable-leak valve for adsorbate gas injection. Approximately 0.3 grams of the sodium-exchanged zeolite was placed into a 1 cm. diameter hemispherical quartz sample pan within the adsorption chamber... [Pg.335]

Electrobalance with a radioactive source in the weighing chamber. Such a balance may be obtained from the Cahn Instrument Company (Gram Electro-balance) and has the advantage over more conventional semimicro- and micro-... [Pg.181]

See other pages where Cahn micro-balance is mentioned: [Pg.69]    [Pg.72]    [Pg.62]    [Pg.843]    [Pg.843]    [Pg.251]    [Pg.843]   
See also in sourсe #XX -- [ Pg.388 ]



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