Confirms with following standards:

IP 53, ASTM D473, IS 1448 (P‑30)

Operating Procedure:

The sample is placed in a refractory thimble and washed with condensed toluene vapors leaving only insoluble matter, the residue is calculated as a percentage of the total mass.

Construction Details:

Extraction apparatus consisting of following parts and accessories.

(1) Erlenmeyer extraction flask - 1000ml capacity

(2) Block‑tin coil condenser

(3) Water cup

(4) Extraction thimble suspended by means of a corrosion resistant wire.

(5) Thimble basket