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RECOVERY OF GOLD,SILVER AND
PLATINUM GROUP METALS
(IT IS BEST TO RECOVER PLATINUM GROUP METALS IN A CLS ELECTROLITIC TANK) RECOVERY AND REFINING WITH JUST NITRIC ACID SUBSTITUTE IF YOU NEED SUPPLIES GO TO OUR
STORE ENTER
THE STORE
HOW CAN YOU REFINE WITH JUST NITRIC ACID? THE ANSWER IS SIMPLE, NITRIC ACID OR OUR NITRIC SUBSTITUTE ACID WILL DESOLVE ALL METALS EXCEPT FOR GOLD. SOME PLATINUM GROUP METALS (PLATINUM,RHODIUM,ETC) MAY NOT DESOLVE. THIS IS NOT AN ISSUE BECAUSE IF YOU SORT YOUR MATERIALS PROPERLY YOU WILL NOT HAVE ANY PLATINUM GROUP METALS IN THE MIX. THE REASON I DEVELOPED THIS SYSTEM WAS FOR FIRST-TIMERS THAT WANTED TO TRY WORKING WITH GOLD BUT DID NOT WANT ANY TOXIC ACIDS.EVEN MORE IMPORTANTLY YOU CANNOT LOSE ANY GOLD BY MAKING A MISTAKE! AQUA-REGIA CAN BE TOXIC AT TIMES AND THE SMELL IS AWFULL. ALSO WITH AQUA-REGIA YOU ARE DESOLVING THE GOLD,SO THERE ARE ALOT OF VARIABLES THAT CAN CAUSE LOSS OF YOUR GOLD. MY SYSTEM USES A SAFE NITRIC SUSTITUTE. HERE IS HOW YOU CAN MAKE THE ACID. IN A WIDE-MOUTH GALLON GLASS JAR OR GLASS JUG POUR IN 1 QUART OF SODIUM NITRATE. ADD 1 TO 1.5 CUPS OF WATER AND LET IT SIT OVERNIGHT.(12 HOURS) THEN FILL THE CONTAINER 3/4 FULL WITH SULFURIC ACID (BATTERY ACID/ ELECTROLITE - AVAILABLE FROM AUTO-PARTS STORES) LET THE MIXTURE SIT FOR 24 HOURS, STIRRING THE MIXTURE EVERY 8 HOURS. (THE SODIUM NITRATE WILL NOT DESOLVE COMPLETELY) YOU NOW HAVE A HOMEMADE NITRIC ACID THAT IS APPROX 70% AS STRONG AS FULL STRENGTH NITRIC. STIR THE MIX DAILY AND JUST ADD MORE SULFURIC ACID AFTER YOU POUR OFF THE MIXED ACID. THIS PROCEDURE WILL WORK WITH THE FOLLOWING GOLD BEARING MATERIALS.
THE MATERIALS MUST BE SORTED AND TREATED IN SEPARATE ACID BATHS. PLACE THE MATERIAL IN A CLEAR GLASS OR PLASTIC CONTAINER (HDPE PLASTIC). ADD THE NITRIC SUBSTITUTE ACID ,JUST ENOUGH TO COVER THE MATERIALS. WITHOUT HEATING THE BATH IT WILL TAKE 3 TO 10 DAYS FOR THE ACID TO DESOLVE ALL THE NON-GOLD METALS. IF YOU HEAT THE BATH IT CAN BE FINISHED IN HOURS INSTEAD OF DAYS. POUR OFF THE BATH THROUGH A PAINT FILTER TO CATCH THE GOLD FLAKES AND PINS THAT ARE FLOATING. IF YOUR BATH HAS REAL FINE GOLD DUST THAT ESCAPES THROUGH THE PAINT FILTERS THEN REFILTER THE LIQUIDS WITH A COFFEE FILTER TO CATCH THE GOLD DUST (THE WASTE ACID MIGHT CONTAIN SILVER, JUST ADD UN-IODIZED SALT TO THE ACID,IF SILVER IS PRESENT IT WILL DROP TO THE BOTTOM AS A WHITE MUD/CURD) THEN NEUTRALIZE THE WASTE ACID WITH UREA , THEN WITH BAKING SODA. NOW REFILL YOUR BATH CONTAINER WITH WATER TO RINSE THE REST OF THE GOLD OFF THE MATERIALS. USING A PAIR OF STAINLESS STEEL TWEEZERS YOU CAN PICKUP THE MATERIALS AND RINSE THE GOLD OFF WITH WATER. REPEAT THE POUR-OFF THROUGH A PAINT FILTER TO CATCH THE GOLD. NOW USING JUST WATER TAKE ALL THE PAINT FILTERS AND RINSE THE GOLD OUT OF THE FILTERS INTO A CLEAN CONTANER. LET IT SET UNTIL THE GOLD SETTLES TO THE BOTTOM, SLOWLY POUR OFF THE WATER. IF YOUR BATH HAS REAL FINE GOLD DUST THAT ESCAPES THROUGH THE PAINT FILTERS THEN REFILTER THE LIQUIDS WITH A COFFEE FILTER TO CATCH THE GOLD DUST. NOW THE FLAKES AND DUST ARE READY TO FIRE. AFTER THE GOLD IS MELTED INTO A BAR/NUGGET YOU CAN HAMMER OR ROLL IT THIN AND RUN IT IN A SECOND NITRIC BATH OVER HEAT (150-180 DEGREES F) FOR 1 TO 2 HOURS. THIS WILL YIELD 24 CARAT 99.99 TO 99.999 PURITY. THE SECOND BATCH OF ACID CAN BE REUSED MANY TIMES, DISCARD IT IF THE LIQUID GETS CLOUDY OR CHANGES COLOR. |
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