Arsenic Apparatus, Gutzeit modified form according to I.S. Specification.

Arsenic Apparatus, "JSGW", according to B.P. Specifications.

Arsenic Apparatus, "JSGW", (Silver Diethyldithio carbonate method) according to I.S. Specifications

Arsenic Determination Apparatus, "JSGW", Gutzeit(modified) comprising of 100 ml bottle with interchangeable fitting. The arsenic tube is in two parts with ground flangends, together with 30 ml open top funnel attached in the bottle.