apparatus is use for determination of binder content and fine aggregates in bitumen-mastic.

This apparatus consists of a hot extraction set-up consisting of the following:

• Cylindrical pot with Dai 180mm, height 300mm. The potis flanged and fitted with a cover and suitable jointinggasket. The cover is held in position by swivelling boltsfitted with wing nuts and 48mm hole on top.
• A cylindrical shall be made of brass gauge with 1.7mm aperture, Dia 150mm, height 175mm.
• Reflex CondenserThere should be sufficient flow of cold water tocondense the solvent.
• A suitable heater, such as an electric hot-plateor a gas ring.
• A suitable filter paper which shall not allow
• any filler material to pass through.