SULPHIDE SULPHUR TEST OF SLAG CEMENT

SULPHIDE SULPHUR TEST OF SLAG CEMENT

Connect a dry 500cc boiling flask with a long stem separating funnel and a small connecting bulb, by means of a rubber stopper. Bend the stem of the funnel so that it does not interfere with the connecting bulb, adjust the stem so that its lower end is close to the bottom of the flask, and connect the opening of the funnel with a source of compressed air.

Connect the bulb with an L-shaped glass tube. Insert the straight glass tube in a tall form, 400cc flask / beaker.

A three-neck Woulf bottle with a long glass tubing in the middle opening, placed between the source of compressed air and the funnel, is a convenient aid in the regulation of the air flow.

If the air contains hydrogen sulphide or sulphur di-oxide, a solution of lead acetate or some other suitable absorbent shall be used in the bottle.

Rubber used in the apparatus shall be pure gum grade low in sulphur and shall be cleaned with warm hydrochloric acid.