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General Catalogue Chemistry - BECO Internacional LTDA.

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chemistry panel system<br />

Analytical chemistry<br />

Separation methods<br />

Most of the substances we encounter daily are<br />

mixtures of various pure substances. In order to<br />

separate these mixtures and to isolate the pure<br />

substances, suitable separation methods are used<br />

which specifically exploit the different chemical<br />

and/or physical properties of the individual<br />

components. In terms of energy expenditure, a<br />

distinction is drawn between mechanical and<br />

thermal separation methods.<br />

Equipment list<br />

Experiment assembly gel filtration<br />

Quantity Description Cat. No.<br />

1 CPS Gel filtration 666 444<br />

1 CPS Drop funnel 666 437<br />

2 Sephadex G-25, 25 g 674 829<br />

1 Bromthymol blue 671 070<br />

1 Detrane blue 671 598<br />

1 Beaker, 400 ml, ss, hard glass 664 104<br />

1 Panel frame, C50, two-level 666 425<br />

1 Labjack 666 583<br />

Equipment list<br />

96 LEYBOLD DIDACTIC · GENERAL CATALOGUE CHEMISTRY<br />

Experiment assembly<br />

for column chromatography<br />

Quantity Description Cat. No.<br />

1 CPS Chromatography column 666 443<br />

1 CPS Drop funnel 666 437<br />

1 CPS Pedestal 666 441<br />

1 Beaker, 600 ml, ss 664 105<br />

1 Panel frame, C100,<br />

three-level, with conduit 666 426<br />

1 Silica gel, 500 g 661 058<br />

CPS-experiment assembly for gel filtration CPS-experiment assembly for<br />

extraction after Soxhlet<br />

CPS-experiment assembly titration stand<br />

Equipment list<br />

Experiment assembly extraction after Soxhlet<br />

Quantity Description Cat. No.<br />

1 CPS Extraction setup<br />

after Soxhlet 666 445<br />

1 Joint clip, ST 29/32, plastic 665 392<br />

1 Heating mantle,<br />

500 ml, 200W 666 753<br />

1 Rubber tubing, 10 m 667 181<br />

1 Extraction thimble,<br />

diam. 33 mm, set of 25 661 051<br />

1 Labjack 666 583<br />

1 Panel frame, C50, two-level 666 425<br />

Equipment list<br />

Experiment assembly titration stanad<br />

Quantity Description Cat. No.<br />

1 CPS Burette holder<br />

(with burette) 666 448<br />

1 CPS Digital pH-meter 666 450<br />

1 pH single rod measurement<br />

cell (glass electrode) 667 424<br />

1 CPS-holder with bosshead,<br />

height adjustable 666 470<br />

1 Miniature clamps,<br />

0 ... 25 mm dia. 666 551<br />

1 Beaker, 400 ml, ss, hard glass 664 104<br />

1 Labjack 666 583<br />

1 Magnetic stirrer 666 845<br />

1 Stirring bar 666 851<br />

1 Panel frame, C50, two-level 666 425

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