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Now precious metal recovery is as easy as Resin is your starting material. AMBORANE Reduc- tive Resins and Rohm and Haas can solve your metal recovery problems. These solid spherical reducing agents offer un- precedented processing convenience for most non-cyanide metal recovery applications. You can get very high recovery—even at low Reduce metal values from solution, then... ppm levels—with a capa- city of up to 2 grams of precious metal per gram of dry resin. High selectivity for Au +3 , Pt +3 , Pt +4 , Rh +3 , Pd +2 ,andlr +3 , in the presence of base metals. AMBORANE resins are suitable for batch or column operations, aque- ous or non-aqueous, in ...Roast resin to obtain free metal. a pH range of from 1 to 10. For technical data and sample information, write: Rohm and Haas Company, Marketing Ser- vices 6RA, Independence Mall West, Philadelphia, PA 19105. ROHMn iHRRSBs PHILADELPHIA. PA. 19105 Reductive Resins CIRCLE 39 ON READER SERVICE CARD 34 C&EN Sept. 7, 1981 / jfii \ |'-W*Mhf4 ^Pv^|^fYM|^Î*^^/S P î rt'Ia/^"^'>^ R R R

Now precious metal recovery is as easy as RRR

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Now precious metal recovery is as easy as

Resin is your starting

material.

AMBORANE Reduc­tive Resins and Rohm and Haas can solve your metal recovery problems.

These solid spherical reducing agents offer un­precedented processing convenience for most non-cyanide metal recovery applications. You can get very high recovery—even at low

Reduce metal values from

solution, then...

ppm levels—with a capa­city of up to 2 grams of precious metal per gram of dry resin. High selectivity for Au+3, Pt+3, Pt+4, Rh+3, Pd+2,andlr+3, in the presence of base metals.

AMBORANE resins are suitable for batch or column operations, aque­ous or non-aqueous, in

...Roast resin to obtain

free metal.

a pH range of from 1 to 10. For technical data and sample information, write: Rohm and Haas Company, Marketing Ser­vices 6RA, Independence Mall West, Philadelphia, PA 19105.

R O H M n iHRRSBs PHILADELPHIA. PA. 19105

Reductive Resins CIRCLE 39 ON READER SERVICE CARD

34 C&EN Sept. 7, 1981

/ jfii \ |'-W*Mhf4 ̂ Pv^|^fYM|^Î*^^/S Pîrt'Ia/̂ "̂ '>^

R R R