Recovery of Gold With Nitric Acid

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  • 8/6/2019 Recovery of Gold With Nitric Acid

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    RECOVERY OF GOLD,SILVER AND PLATINUM GROUP METALS(IT IS BEST TO RECOVER PLATINUM GROUP METALS IN A CLS ELECTROLITICTANK)

    RECOVERY AND REFINING WITH JUST NITRIC ACID SUBSTITUTE

    HOW CAN YOU REFINE WITH JUST NITRIC ACID?THE ANSWER IS SIMPLE, NITRIC ACID OR OUR NITRIC SUBSTITUTE ACID WILLDESOLVE ALL METALS EXCEPT FOR GOLD.SOME PLATINUM GROUP METALS (PLATINUM,RHODIUM,ETC) MAY NOTDESOLVE.THIS IS NOT AN ISSUE BECAUSE IF YOU SORT YOUR MATERIALS PROPERLY YOUWILL NOT HAVE ANY PLATINUM GROUP METALS IN THE MIX.

    THE REASON I DEVELOPED THIS SYSTEM WAS FOR FIRST-TIMERS THAT WANTEDTO 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 ALOTOF 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 OFSODIUM 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 ASFULL STRENGTH NITRIC.STIR THE MIX DAILY AND JUST ADD MORE SULFURIC ACID AFTER YOU POUROFF THE MIXED ACID.

    CLIPPED FINGER(THE EDGE CONNECTOR FROM CIRCUIT BOARDS, MODEMSAND SOUND CARDS FOR EXAMPLE.

    NEWER PROCESSORS WITH GOLD PLATED PINS.(THE GOLD ON THE INSIDECAN BE RECOVERED WITH AR AFTERWARD)

    OLDER PROCESSORS WITH SOLID GOLD PINS.(THE GOLD ON THE INSIDECAN BE RECOVERED WITH AR AFTERWARD)

    OTHER HEAVILY GOLD PLATED MATERIALS.

    THIS PROCEDURE WILL WORK WITH THE FOLLOWING GOLD BEARINGMATERIALS.

    THE INSTRUCTIONS ARE THE SAME FOR ALL THE DIFFERENT MATERIALS.THE MATERIALS MUST BE SORTED AND TREATED IN SEPARATE ACID BATHS.

    RECOVERY OF GOLD WITH NITRIC ACID SUBSTITUTE

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    PLACE THE MATERIAL IN A CLEAR GLASS OR PLASTIC CONTAINER (HDPEPLASTIC).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 TODESOLVE 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 FLAKESAND PINS THAT ARE FLOATING.IF YOUR BATH HAS REAL FINE GOLD DUST THAT ESCAPES THROUGH THE PAINTFILTERS THEN REFILTER THE LIQUIDS WITH A COFFEE FILTER TO CATCH THEGOLD DUST(THE WASTE ACID MIGHT CONTAIN SILVER, JUST ADD UN-IODIZED SALT TO THEACID,IF SILVER IS PRESENT IT WILL DROP TO THE BOTTOM AS A WHITEMUD/CURD)THEN NEUTRALIZE THE WASTE ACID WITH UREA , THEN WITH BAKING SODA.

    NOW REFILL YOUR BATH CONTAINER WITH WATER TO RINSE THE REST OF THEGOLD OFF THE MATERIALS.USING A PAIR OF STAINLESS STEEL TWEEZERS YOU CAN PICKUP THEMATERIALS 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 GOLDOUT OF THE FILTERS INTO A CLEAN CONTANER.LET IT SET UNTIL THE GOLD SETTLES TO THE BOTTOM, SLOWLY POUR OFF THEWATER.

    IF YOUR BATH HAS REAL FINE GOLD DUST THAT ESCAPES THROUGH THE PAINTFILTERS THEN REFILTER THE LIQUIDS WITH A COFFEE FILTER TO CATCH THEGOLD DUST.

    NOW THE FLAKES AND DUST ARE READY TO FIRE.AFTER THE GOLD IS MELTED INTO A BAR/NUGGET YOU CAN HAMMER OR ROLLIT 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 THELIQUID GETS CLOUDY OR CHANGES COLOR.

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