3 wet sieving, 1 sieving parameters, 2 wetting agents – FRITSCH PULVERISETTE 0 User Manual

Page 30: Accessories

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7.2.3 Wet sieving

CAUTION!
Do not use highly flammable and flammable liquids such as

ketones and benzines.

For wet sieving, use the wet sieve pan (with outlet and outlet hose) and

the wet clamping lid (plexiglas clamping lid with two rotation nozzles).
Place the preferably well-dispersed sieving stock (see Ä Chapter 7.2.3.2

‘Wetting agents’ on page 30) into the top sieve and clamp the wet

clamping lid.

CAUTION!
Do not allow any liquids to flow into the device.

7.2.3.1

Sieving parameters

Parameters

Average

High percentage of

fine ground material

Sieving time

3...10 min

approx. 15 min

Amplitude

2...2.5 mm

7.2.3.2

Wetting agents

Wetting agents improve dispersion.

n

Add tensides in liquid form (washing-up liquid, Dusazin etc.) in small

amounts only (dropwise), to prevent frothing.

n

Add inorganic or organic salts like tetrasodium diphosphate or

sodium lauryl sulfate and poly salts in amounts of 0.1 - 0.5 %.

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