|
||
RECOVERY OF GOLD,SILVER AND
PLATINUM GROUP METALS
(IT IS BEST TO RECOVER PLATINUM GROUP METALS IN A CLS ELECTROLITIC TANK) REFINING SILVER IF YOU NEED SUPPLIES GO TO OUR
STORE ENTER
THE STORE
DESOLVE THE SILVER IN A NITRIC ACID BATH. MATERIALS AND MIXING INSTRUCTIONS (SILVER POWDER OR FLAKES WILL DESOLVE THE FASTEST. 1-3 OZ PER QUART OF BATH WILL GIVE THE BEST RESULTS. HEATING THE BATH TO 120 DEGREES F WILL SPEED UP THE PROCESS. (1 LB SODIUM NITRATE DESOLVED IN 1 QUART SULFURIC ACID(BATTERY ACID) WILL MAKE A NITRIC ACID BATH) TIP=SODIUM NITRATE IS HARD TO DESOLVE IN LIQUIDS OTHER THAN WATER. WITH THAT SAID THE MIXING GOES ALOT FASTER IF YOU ADD 1 CUP DISTILLED WATER FOR EACH CUP OF SN TO PRE-DESOLVE IT. ONCE THE SILVER IS DESOLVED WAIT 30 MINUTES THEN POUR OFF THE LIQUID INTO A CLEAN CONTAINER. LET IT COOL IF HEAT WAS USED. BE SURE TO FILTER THE LIQUID IF YOU HAVE SEDIMENTS IN THE BATH. TO DROP THE SILVER OUT OF THE NITRIC ACID USE COMMON UNIODIZED TABLE SALT. ADD THE SALT SLOWLY,YOU WILL BEGIN TO SEE A WHITE MUD OR CURD BEGIN TO FALL FROM THE LIQUID. ADD SALT IN 15-20 MINUTE INTERVALS UNTIL NO MORE SILVER FALLS. POUR OFF THE LIQUID AND SAVE THE WHITE MUD,RINSE THE MUD WITH DISTILLED WATER. MIX THE CLEANED MUD WITH AN EQUAL PART OF SODA ASH (FLUXING AGENT) THE FLUXED MUD CAN THEN BE FIRED OR KILNED AT 1800 DEGREES THE SILVER BAR SHOULD BE FINE .99 TO .999 |
||
|