PRO LA BO

cylinder ofthe balance, which records the weight of the sedi- mented particles as a function of time. The percentage by weight of material of any grai...
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particle size determination

$ 800.00 F. Ο. Β. french port

F. Martin RECORDING BALANCE The recording scale, 100 mm high,covers a total weight of I g. The recording drum turns at speeds of one revolution in 6,1 2 or 24 hours. The F. Martin balance is speci­ ally used to determine the par­

ticle size distribution (range I to 50 microns) of powders such as cements, abrasives, coloured pigments, chemical and phar­ maceutical products. The powder to be analysed is suspended in an inert fluid. The

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ANALYTICAL CHEMISTRY

RHONE-POULENC Laboratory Appliances and Reagents

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suspension sediments in the cylinder of the balance, which records the weight of the sedimented particles as afunction of time. The percentage by weight of material of any grain size is determined on the curve.

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