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Text File | 1995-11-30 | 17KB | 389 lines

CHEMIST'S CORNER ARTICLE #1: EXPLOSIVES BY ZAPHOD BEEBLEBROX/MPG UPLOADED BY -THE TRIXTER- THIS ARTICLE DEALS WITH THE INSTRUCTIONS FOR CREATING SOME DANGEROUS EXPLOSIVE S. IF YOU INTEND TO MAKE ANY OF THESE EXPLOSIVES, DO SO IN SMALL AMOUNTS ONLY, AS THEY ARE ALL DANGEROUS AND COULD SERIOUSLY INJURE OR KILL YOU IF DONE IN LAR GER AMOUNTS. IF YOU DON'T KNOW ANYTHING ABOUT CHEMISTRY, DON'T DO THESE EXPERIM ENTS! I AM NOT JOKING IN GIVING THIS WARNING. UNLESS YOU HAVE A DEATH WISH, YOU SHOULDN'T TRY ANY OF THE FOLLOWING UNLESS YOU HAVE HAD PRIOR EXPERIENCE WITH C HEMICALS. I AM NOT RESPONSIBLE FOR ANY INJURY OR DAMAGE CAUSED BY PEOPLE USING THIS INFO RMATION. IT IS PROVIDED FOR USE BY PEOPLE KNOWLEDGABLE IN CHEMISTRY WHO ARE INT ERESTED IN SUCH EXPERIMENTS AND CAN SAFELY HANDLE SUCH EXPERIMENTS. =============================================================================== I. COMMON "WEAK" EXPLOSIVES. A. GUNPOWDER: 75% POTASSIUM NITRATE 15% CHARCOAL 10% SULFUR THE CHEMICALS SHOULD BE GROUND INTO A FINE POWDER (SEPERATELY!) WITH A MO RTER & PESTLE. IF GUNPOWDER IS IGNITED IN THE OPEN, IT BURNS FIERCELY, BUT IF I N A CLOSED SPACE IT BUILDS UP PRESSURE FROM THE RELEASED GASES AND CAN EXPLODE THE CONTAINER. GUNPOWDER WORKS LIKE THIS: THE POTASSIUM NITRATE OXIDIZES THE CH ARCOAL AND SULFUR, WHICH THEN BURN FIERCELY. CARBON DIOXIDE AND SULFUR DIOXIDE ARE THE GASES RELEASED. B. AMMONAL: AMMONAL IS A MIXTURE OF AMMONIUM NITRATE (A STRONG OXIDIZER) WITH ALUMINUM POWDER (THE 'FUEL' IN THIS CASE). I AM NOT SURE OF THE % COMPOSITION FOR AMMON AL, SO YOU MAY WANT TO EXPERIMENT A LITTLE USING SMALL AMOUNTS. C. CHEMICALLY IGNITED EXPLOSIVES: 1. A MIXTURE OF 1 PART POTASSIUM CHLORATE TO 3 PARTS TABLE SUGAR (SUCROSE) BU RNS FIERCELY AND BRIGHTLY (SIMILAR TO THE BURNING OF MAGNESIUM) WHEN 1 DROP OF CONCENTRATED SULFURIC ACID IS PLACED ON IT. WHAT OCCURS IS THIS: WHEN THE ACID IS ADDED IT REACTS WITH THE POTASSIUM CHLORATE TO FORM CHLORINE DIOXIDE, WHICH EXPLODES ON FORMATION, BURNING THE SUGAR AS WELL. 2. USING VARIOUS CHEMICALS, I HAVE DEVELOPED A MIXTURE THAT WORKS VERY WELL F OR IMITATING VOLCANIC ERUPTIONS. I HAVE GIVEN IT THE NAME 'MPG VOLCANITE' (TM). HERE IT IS: POTASSIUM CHLORATE + POTASSIUM PERCHLORATE + AMMONIUM NITRATE + AM MONIUM DICHROMATE + POTASSIUM NITRATE + SUGAR + SULFUR + IRON FILINGS + CHARCOA L + ZINC DUST + SOME COLORING AGENT. (SCARLET= STRONTIUM NITRATE, PURPLE= IODIN E CRYSTALS, YELLOW= SODIUM CHLORIDE, CRIMSON= CALCIUM CHLORIDE, ETC...). 3. SO, DO YOU THINK WATER PUTS OUT FIRES? IN THIS ONE, IT STARTS IT. MIXTURE: AMMONIUM NITRATE + AMMONIUM CHLORIDE + IODINE + ZINC DUST. WHEN A DROP OR TWO OF WATER IS ADDED, THE AMMONIUM NITRATE FORMS NITRIC ACID WHICH REACTS WITH THE ZINC TO PRODUCE HYDROGEN AND HEAT. THE HEAT VAPORIZES THE IODINE (GIVING OFF P URPLE SMOKE) AND THE AMMONIUM CHLORIDE (BECOMES PURPLE WHEN MIXED WITH IODINE V APOR). IT ALSO MAY IGNITE THE HYDROGEN AND BEGIN BURNING. AMMONIUM NITRATE: 8 GRAMS AMMONIUM CHORIDE: 1 GRAM ZINC DUST: 8 GRAMS IODINE CRYSTALS: 1 GRAM 4. POTASSIUM PERMANGANATE + GLYCERINE WHEN MIXED PRODUCES A PURPLE-COLORED FL AME IN 30 SECS-1 MIN. WORKS BEST IF THE POTASSIUM PERMANGANATE IS FINELY GROUND . 5. CALCIUM CARBIDE + WATER RELEASES ACETYLENE GAS (HIGHLY FLAMMABLE GAS USED IN BLOW TORCHES...) II. THERMITE REACTION. THE THERMITE REACTION IS USED IN WELDING, BECAUSE IT GENERATES MOLTEN IRON AN D TEMPERATURES OF 3500 C (6000F+). IT USES ONE OF THE PREVIOUS REACTIONS THAT I TALKED ABOUT TO START IT! STARTER=POTASSIUM CHLORATE + SUGAR MAIN PT.= IRON (III) OXIDE + ALUMINUM POWDER (325 MESH OR FINER) PUT THE POTASSIUM CHLORARE + SUGAR AROUND AND ON TOP OF THE MAIN PT. TO STA RT THE REACTION, PLACE ONE DROP OF CONCENTRATED SULFURIC ACID ON TOP OF THE STA RTER MIXTURE. STEP BACK! THE RATIOS ARE: 3 PARTS IRON(III) OXIDE TO 1 PART ALUM INUM POWDER TO 1 PART POTASSIUM CHLORATE TO 1 PART SUGAR. WHEN YOU FIRST DO IT, TRY 3G:1G:1G:1G! ALSO, THERE IS AN ALTERNATIVE STARTER FOR THE THERMITE REACTION. THE ALTERNATI VE IS POTASSIUM PERMANGANATE + GLYCERINE. AMOUNTS: 55G IRON(III) OXIDE, 15G ALU MINUM POWDER, 25G POTASSIUM PERMANGANATE, 6ML GLYCERINE. III. NITROGEN-CONTAINING HIGH EXPLOSIVES. A. MERCURY(II) FULMINATE TO PRODUCE MERCURY(II) FULMINATE, A VERY SENSITIVE SHOCK EXPLOSIVE, ONE M IGHT ASSUME THAT IT COULD BE FORMED BY ADDING FULMINIC ACID TO MERCURY. THIS IS SOMEWHAT DIFFICULT SINCE FULMINIC ACID IS VERY UNSTABLE AND CANNOT BE PURCHASE D. I DID SOME RESEARCH AND FIGURED OUT A WAY TO MAKE IT WITHOUT FULMINIC ACID. YOU ADD 2 PARTS NITRIC ACID TO 2 PARTS ALCOHOL TO 1 PART MERCURY. THIS IS THEOR ETICAL (I HAVE NOT YET TRIED IT) SO PLEASE, IF YOU TRY THIS, DO IT IN VERY* SMA LL AMOUNTS AND TELL ME THE RESULTS. B. NITROGEN TRIIODIDE NITROGEN TRIIODIDE IS A VERY POWERFUL AND VERY SHOCK SENSITIVE EXPLOSIVE. NEVER STORE IT AND BE CARFUL WHEN YOU'RE AROUND IT- SOUND, AIR MOVEMENTS, AND OTHER TINY THINGS COULD SET IT OFF. MATERIALS- 2-3G IODINE 15ML CONC. AMMONIA 8 SHEETS FILTER PAPER 50ML BEAKER FEATHER MOUNTED ON A TWO METER POLE EAR PLUGS TAPE SPATULA STIRRING ROD ADD 2-3G IODINE TO 15ML AMMONIA IN THE 50ML BEAKER. STIR, LET STAND FOR 5 MIN UTES. DO THE FOLLOWING WITHIN 5 MINUTES! RETAIN THE SOLID, DECANT THE LIQUID (POUR OFF THE LIQUID BUT KEEP THE BROWN SOLID...). SCAPE THE BROWN RESIDUE OF NITROGEN TRIIODIDE ONTO A STACK OF FOUR S HEETS OF FILTER PAPER. DIVIDE SOLID INTO FOUR PARTS, PUTTING EACH ON A SEPERATE SHEET OF DRY FILTER PAPER. TAPE IN POSITION, LEAVE TO DRY UNDISTURBED FOR AT L EAST 30 MINUTES (PREFERRABLY LONGER). TO DETONATE, TOUCH WITH FEATHER. (WEAR EA R PLUGS WHEN DETONATING OR COVER EARS- IT IS VERY LOUD!) C. CELLULOSE NITRATE (GUNCOTTON) COMMONLY KNOWN AS SMOKELESS POWDER, NITROCELLULOSE IS EXACTLY THAT- IT D OES NOT GIVE OFF SMOKE WHEN IT BURNS. MATERIALS- 70ML CONCENTRATED SULFURIC ACID 30ML CONCENTRATED NITRIC ACID 5G ABSORBENT COTTON 250ML 1M SODIUM BICARBONATE 250ML BEAKER ICE BATH TONGS PAPER TOWELS PLACE 250ML BEAKER IN THE ICE BATH, ADD 70ML SULFURIC ACID, 30 ML NITRIC ACI D. DIVIDE COTTON INTO .7G PIECES. WITH TONGS, IMMERSE EACH PIECE IN THE ACID SO LUTION FOR 1 MINUTE. NEXT, RINSE EACH PIECE IN 3 SUCCESSIVE BATHS OF 500ML WATE R. USE FRESH WATER FOR EACH PIECE. THEN IMMERSE IN 250ML 1M SODIUM BICARBONATE. IF IT BUBBLES, RINSE IN WATER ONCE MORE UNTIL NO BUBBLING OCCURS. SQUEEZE DRY AND SPREAD ON PAPER TOWELS TO DRY OVERNIGHT. D. NITROGLYCERINE NITROGLYCERINE IS A *VERY* DANGEROUS SHOCK SENSITIVE EXPLOSIVE. IT IS USED IN MAKING DYNAMITE, AMONG OTHER THINGS. I AM NOT SURE AS TO THE PROPORTIONS AND AMOUNTS OF CHEMICALS TO BE USED, SO I SHALL USE ESTIMATES. MATERIALS- 70ML CONC. SULFURIC ACID 30ML CONC. NITRIC ACID 10 ML GLYCERINE ICE BATH 150ML BEAKER PUT THE 150ML BEAKER IN THE ICE BATH AND MAKE SURE THAT IT IS VERY COLD. SLO WLY ADD THE 70ML SULFURIC AND 30ML NITRIC ACIDS TO THE BEAKER, TRYING TO MAINTA IN A LOW TEMPERATURE. WHEN THE TEMPERATURE STARTS TO LEVEL OFF, ADD ABOUT 10ML GLYCERINE. IF IT TURNS BROWN OR LOOKS FUNNY, **RUN LIKE HELL**. WHEN NITROGLYCE RINE TURNS BROWN, THAT MEANS IT'S READY TO EXPLODE... IF IT STAYS CLEAR AND ALL WORKS WELL, KEEP THE TEMPERATURE AS LOW AS YOU CAN AND LET IT SIT FOR A FEW HO URS. YOU THEN SHOULD HAVE SOME NITROGLYCERINE, PROBABLY MIXED WITH NITRIC AND S ULFURIC ACIDS. WHEN YOU SET IT OFF, YOU MUST NOT BE NEARBY. NITROGLYCERINE CAN FILL 10,000 TIMES ITS ORIGINAL AREA WITH EXPANDING GASES. THIS MEANS THAT IF YO U HAVE 10ML'S OF NITROGLYCERINE IN THERE, IT WILL PRODUCE SOME 100,000ML'S OF G ASES. TO MAKE IT INTO DYNAMITE, THE NITROGLYCERINE MUST BE ABSORBED INTO SOMETHING LIKE WOOD PULP OR DIAMAECEOUS EARTH (SPELLED SOMETHING LIKE THAT). IV. OTHER STUFF A. PEROXYACETONE PEROXYACETONE IS EXTREMELY FLAMMABLE AND HAS BEEN REPORTED TO BE SHOCK SENSI TIVE. MATERIALS- 4ML ACETONE 4ML 30% HYDROGEN PEROXIDE 4 DROPS CONC. HYDROCHLORIC ACID 150MM TEST TUBE ADD 4ML ACETONE AND 4ML HYDROGEN PEROXIDE TO THE TEST TUBE. THEN ADD 4 DROPS C ONCENTRATED HYDROCHLORIC ACID. IN 10-20 MINUTES A WHITE SOLID SHOULD BEGIN TO A PPEAR. IF NO CHANGE IS OBSERVED, WARM THE TEST TUBE IN A WATER BATH AT 40 CELSI US. ALLOW THE REACTION TO CONTINUE FOR TWO HOURS. SWIRL THE SLURRY AND FILTER I T. LEAVE OUT ON FILTER PAPER TO DRY FOR AT LEAST TWO HOURS. TO IGNITE, LIGHT A CANDLE TIED TO A METER STICK AND LIGHT IT (WHILE STAYING AT LEAST A METER AWAY) . B. SMOKE SMOKE SMOKE... THE FOLLOWING REACTION SHOULD PRODUCE A FAIR AMOUNT OF SMOKE. SINCE THIS REA CTION IS NOT ALL THAT DANGEROUS YOU CAN USE LARGER AMOUNTS IF NECESSARY FOR LAR GER AMOUNTS OF SMOKE. 6G ZINC POWDER 1G SULFUR POWDER INSERT A RED HOT WIRE INTO THE PILE, STEP BACK. A LOT OF SMOKE SHOULD BE CR EATED. THERE ARE MANY OTHER EXPERIMENTS I COULD HAVE INCLUDED, BUT I WILL SAVE THEM F OR THE NEXT CHEMIST'S CORNER ARTICLE. UPCOMING ARTICLES WILL INCLUDE GLOW-IN-TH E-DARK REACTIONS, 'PARTY' REACTIONS, THINGS YOU CAN DO WITH HOUSEHOLD CHEMICALS , AND MORE... I WOULD LIKE TO GIVE CREDIT TO A BOOK BY SHAKASHARI ENTITLED "CHEMICAL DEMONST RATIONS" FOR A FEW OF THE PRECISE AMOUNTS OF CHEMICALS IN SOME EXPERIMENTS. THIS IS IT FOR CHEMIST'S CORNER #1... LOOK FOR CHEMIST'S CORNER #2: WHAT TO DO WITH HOUSEHOLD CHEMICALS... ...ZAPHOD BEEBLEBROX/MPG! --------------------------------------- THE CHEMIST'S CORNER ARTICLE #2: HOUSEHOLD CHEMICALS BY ZAPHOD BEEBLEBROX/MPG THIS ARTICLE DEALS WITH INSTRUCTIONS ON HOW TO DO SOME INTERESTING EXPERIMENTS WITH COMMON HOUSEHOLD CHEMICALS. SOME MAY OR MAY NOT WORK DEPENDING ON THE CON CENTRATION OF CERTAIN CHEMICALS IN DIFFERENT AREAS AND BRANDS. I WOULD SUGGEST THAT THE PERSON DOING THESE EXPERIMENTS HAVE SOME KNOWLEDGE OF CHEMISTRY, ESPEC IALLY FOR THE MORE DANGEROUS EXPERIMENTS. I AM NOT RESPONSIBLE FOR ANY INJURY OR DAMAGE CAUSED BY PEOPLE USING THIS INFO RMATION. IT IS PROVIDED FOR USE BY PEOPLE KNOWLEDGABLE IN CHEMISTRY WHO ARE INT ERESTED IN SUCH EXPERIMENTS AND CAN SAFELY HANDLE SUCH EXPERIMENTS. =============================================================================== I. A LIST OF HOUSEHOLD CHEMICALS AND THEIR COMPOSITION VINEGAR: 3-5% ACETIC ACID BAKING SODA: SODIUM BICARBONATE DRAIN CLEANERS: SODIUM HYDROXIDE SANI-FLUSH: 75% SODIUM BISULFATE AMMONIA WATER: AMMONIUM HYDROXIDE CITRUS FRUIT: CITRIC ACID TABLE SALT: SODIUM CHLORIDE SUGAR: SUCROSE MILK OF MAGNESIA- MAGNESIUM HYDROXIDE TINCTURE OF IODINE- 47% ALCOHOL, 4% IODINE RUBBING ALCOHOL- 70 OR 99% (DEPENDS ON BRAND) ISOPROPYL ALCOHOL (DO NOT DRINK!) ETC... EXP #1: YE OLD FIZZ EXPERIMENT MIX VINEGAR WITH BAKING SODA. IT PRODUCES SODIUM ACETATE AND CARBONIC ACID. CA RBONIC ACID QUICKLY DECOMPOSES INTO CARBON DIOXIDE AND WATER, RESULTING IN THE "FIZZ". THIS SIMPLE REACTION CAN BE CONTAINED IN A SMALL BOTTLE OR SOMETHING, AND WHEN ENOUGH PRESSURE BUILDS UP IT WILL BREAK OPEN. I SINCERELY DOUBT THAT IT WILL B LOW "ALL FOUR WALLS OFF THE HOUSE" AS SOME LOSER WROTE IN HIS SAFEHOUSE ARTICLE . THE SAME BASIC THING CAN BE DONE WITH DRY ICE & WATER, BAKING POWDER & WATER, CITRIC ACID & BAKING SODA, AND MANY OTHER COMBINATIONS. EXP #2: A FRUITY BATTERY IF YOU'RE EVER IN NEED OF A LITTLE POWER, GET YOUR HANDS ON THESE: A CITRUS FRUIT (LEMON, ORANGE, ETC) A SMALL ZINC STRIP A SMALL COPPER STRIP JUST STICK THE ZINC STRIP IN ONE END OF A LEMON AND A COPPER STRIP IN THE OTH ER. YOU NOW HAVE A 1.5 VOLT BATTERY! JUST ATTACH THE WIRES TO THE COPPER & ZINC STRIPS... EXP #3: GENERATING CHLORINE GAS THIS IS SLIGHTLY MORE DANGEROUS THAN THE OTHER TWO EXPERIMENTS, SO YOU SHOUILD KNOW WHAT YOU'RE DOING BEFORE YOU TRY THIS... EVER WONDER WHY AMMONIA BOTTLES ALWAYS SAY 'DO NOT MIX WITH CHLORINE BLEACH', AND VISA-VERSA? THAT'S BECAUSE IF YOU MIX AMMONIA WATER WITH AJAX OR SOMETHING LIKE IT, IT WILL GIVE OFF CHLORINE GAS. TO CAPTURE IT, GET A LARGE BOTTLE AND P UT AJAX IN THE BOTTOM. THEN POUR SOME AMMONIA DOWN INTO THE BOTTLE. SINCE THE C HLORINE IS HEAVIER THAN AIR, IT WILL STAY DOWN IN THERE UNLESS YOU USE LARGE AM OUNTS OF EITHER AJAX OR AMMONIA (DON'T!). FOR SOMETHING FUN TO DO WITH CHLORINE STAY TUNED.... EXP #4: CHLORINE + TURPENTINE TAKE A SMALL CLOTH OR RAG AND SOAK IT IN TURPENTINE. QUICKLY DROP IT INTO THE BOTTLE OF CHLORINE. IT SHOULD GIVE OFF A LOT OF BLACK SMOKE AND PROBABLY START BURNING... EXP #5: GENERATING HYDROGEN GAS TO GENERATE HYDROGEN, ALL YOU NEED IS AN ACID AND A METAL THAT WILL REACT WITH THAT ACID. TRY VINEGAR (ACETIC ACID) WITH ZINC, ALUMINUM, MAGNESIUM, ETC. YOU CAN COLLECT HYDROGEN IN SOMETHING IF YOU NOTE THAT IT IS LIGHTER THAN AIR.... L IGHT A SMALL AMOUNT AND IT BURNS WITH A SMALL *POP*. ANOTHER WAY OF CREATING HYDROGEN IS BY THE ELECTROLYSIS OF WATER. THIS INVOLVE S SEPERATING WATER (H2O) INTO HYDROGEN AND OXYGEN BY AN ELECTRIC CURRENT. TO DO THIS, YOU NEED A 6-12 VOLT BATTERY, TWO TEST TUBES, A LARGE BOWL, TWO CARBON E LECTRODES (TAKE THEM OUT OF AN UNWORKING 6-12 VOLT BATTERY), AND TABLE SALT. DI SSOLVE THE SALT IN A LARGE BOWL FULL OF WATER. SUBMERGE THE TWO TEST TUBES IN T HE WATER AND PUT THE ELECTRODES INSIDE THEM, WITH THE MOUTH OF THE TUBE AIMING DOWN. CONNECT THE BATTERY TO SOME WIRE GOING DOWN TO THE ELECTRODES. THIS WILL WORK FOR A WHILE, BUT CHLORINE WILL BE GENERATED ALONG WITH THE OXYGEN WHICH WI LL UNDOUBTEDLY CORRODE YOUR COPPER WIRES LEADING TO THE CARBON ELECTRODES... (T HE TABLE SALT IS BROKEN UP INTO CHLORINE AND SODIUM IONS, THE CHLORINE COMES OF F AS A GAS WITH OXYGEN WHILE SODIUM REACTS WITH THE WATER TO FORM SODIUM HYDROX IDE....). THEREFORE, IF YOU CAN GET YOUR HANDS ON SOME SULFURIC ACID, USE IT IN STEAD. IT WILL NOT AFFECT THE REACTION OTHER THAN MAKING THE WATER CONDUCT ELEC TRICITY. EXP #6: HYRDOGEN + CHLORINE TAKE THE TEST TUBE OF HYDROGEN AND COVER THE MOUTH WITH YOUR THUMB. KEEP IT IN VERTED, AND BRING IT NEAR THE BOTTLE OF CHLORINE (NOT ONE THAT HAS REACTED WITH TURPENTINE). SAY "GOODBYE TEST TUBE", AND DROP IT INTO THE BOTTLE. THE HYDROGE N AND CHLORINE SHOULD REACT AND POSSIBLY EXPLODE (DEPENDING ON PURITY AND AMOUN T OF EACH GAS). AN INTERESTING THING ABOUT THIS IS THEY WILL NOT REACT IF IT IS DARK AND NO HEAT OR OTHER ENERGY IS AROUND. WHEN A LIGHT IS TURNED ON, ENOUGH ENERGY IS PRESENT TO CAUSE THEM TO REACT... EXP #7: PREPARATION OF OXYGEN GET SOME HYDROGEN PEROXIDE (FROM A DRUG STORE) AND MANGANESE DIOXIDE (FROM A B ATTERY- IT'S A BLACK POWDER). MIX THE TWO IN A BOTTLE, AND THEY GIVE OFF OXYGEN . IF THE BOTTLE IS STOPPERED, PRESSURE WILL BUILD UP AND SHOOT IT OFF. TRY LIGH TING A WOOD SPLINT AND STICKING IT (WHEN ONLY GLOWING) INTO THE BOTTLE. THE OXY GEN WILL MAKE IT BURST INTO FLAME. EXPERIMENT WITH IT. THE OXYGEN WILL ALLOW TH INGS TO BURN BETTER... EXP #8: ALCOHOL BUY SOME RUBBING ALCOHOL IN A DRUG STORE. USUALLY THIS IS EITHER 70% OR 99% AL COHOL AND BURNS JUST GREAT. YOU CAN SOAK A TOWEL IN WATER AND THEN IN ACOHOL, L IGHT THE TOWEL, AND WHEN IT FINISHES BURNING THE ALCOHOL, THE FLAME SHOULD GO O UT AND LEAVE THE TOWEL UNHARMED. NICE FOR "PARTY TRICKS", ETC. EXP #9: IODINE? TINCTURE OF IODINE CONTAINS MAINLY ALCOHOL AND A LITTLE IODINE. TO SEPERATE TH EM, PUT THE TINCTURE OF IODINE IN A METAL LID TO A BOTTLE AND HEAT IT OVER A CA NDLE. HAVE A STAND HOLDING ANOTHER METAL LID DIRECTLY OVER THE TINCTURE (ABOUT 4-6 INCHES ABOVE IT) WITH ICE ON TOP OF IT. THE ALCOHOL SHOULD EVAPORATE, AND T HE IODINE SHOULD SUBLIME, BUT SHOULD REFORM IODINE CRYSTALS ON THE COLD METAL L ID DIRECTLY ABOVE. IF THIS WORKS (I HAVEN'T TRIED), YOU CAN USE THE IODINE ALON G WITH HOUSEHOLD AMMONIA TO FORM NITROGEN TRIIODIDE (DISCUSSED IN ARTICLE #1). EXP #10: GRAIN-ELEVATOR EXPLOSION! WANT TO TRY YOUR OWN 'GRAIN-ELEVATOR EXPLOSION'? GET A CANDLE AND SOME FLOUR.. . LIGHT THE CANDLE AND PUT SOME FLOUR IN YOUR HAND. TRY VARIOUS WAYS OF GETTING THE FLOUR TO LEAVE YOUR HAND AND BECOME DUST RIGHT OVER THE CANDLE FLAME. THE ENORMOUS SURFACE AREA ALLOWS ALL THE TINY DUST PARTICLES TO BURN, WHICH THEY DO AT ABOUT THE SAME TIME, COMBINING TO FORM A FIREBALL EFFECT. IN GRAIN ELEVATOR S, MUCH THE SAME THING HAPPENS. IF YOU CAN GET YOUR HANDS ON SOME LYCOPODIUM PO WDER, DO. THIS WILL WORK MUCH BETTER, CREATING HUGE FIREBALLS THAT ARE UNEXPECT ED. THAT'S ENOUGH FOR NOW... MORE TO COME IN LATER CHEMIST'S CORNER ARTICLES... ...ZAPHOD BEEBLEBROX/MPG! ----