Sinteza metamfetamina iz P2P in redukcije NaBH4

hunter12

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Ali je mogoče to sintezo izvesti v večjem obsegu, na primer 1-2 kilograma
 

Throw-off

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Da bi zlahka
 
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joker011

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Sem navdušenec nad kemijo z Vzhoda. Ker nisem bil deležen dobre izobrazbe, se zdaj želim naučiti kemije. Prosim, naučite me, prosim
 

Throw-off

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Če ste z Vzhoda, pojdite delat v "Podjetje" v trikotniku, kjer vas lahko naučijo veliko bolje kot večina tukaj.
 

joker011

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Zdaj sem že tukaj, brez prijatelja, ki bi me vodil
 

joker011

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da, sem v posebni upravni regiji Laos
 

joker011

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Nimam ustreznega znanja in spretnosti, kaj naj storim? Biti topovska hrana?
 

joker011

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@FFFy054 To je moj telegram , Če me je kdo pripravljen učiti, naj me kontaktira, prosim
 

joker011

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Želim se samo naučiti veščin, da spremenim svoje prekleto življenje
 

hunter12

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Ali lahko prosim dobimo skrivnost za velike lepe črepinje metamfetaminskih kristalov. Poskusil sem skoraj vse rekristalizacije na forumu, vendar nobena od njih ne daje velikih kristalov.
 

lalalander

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Izomere morate ločiti. Izomera D in L sama po sebi tvorita velike kamnine, vendar ne skupaj.
 
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lalalander

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http://bbzzzsvqcrqtki6umym6itiixfhni37ybtt7mkbjyxn2pgllzxf2qgyd.onion/threads/methamphetamine-isomers-separation-by-tartaric-acid.9690/
 

hunter12

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Najlepša hvala. Po ločevanju, katero metodo uporabljate za izdelavo prozornega stekla iz različnih insomerov
 

ImRegistered

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18.1 - 20 ml 35-40-odstotnega vodnega metilamina

je to v h2o ali MeOH?
 

wael gano

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Moja baza je bila raztopljena v etanolu
Po črpanju plinastega vodikovega klorida je rezultat takšen. Ta barva mi ustreza
HZOQcElsJ4
 

hacke8

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Zdi se, da je preveč zakisan in ima koloidne nečistoče.
 

wael gano

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Dobro
Odvečna kislina izhlapi ob izhlapevanju etanola. Lahko jo sperem, da odstranim nekaj nečistoč
 

GhostChemist

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Rezultat je normativen!
izparite ga za kristalizacijo. na vakuumskem filtru sperite z Et2O ali etilacetatom ali petroletrom (lahko z majhnim deležem acetona).
rekristalizirajte (neobvezno) iz alkohola ali v drugih čistih topilih
 

ImRegistered

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Ta zahteva metilamin 40 %, medtem ko je v drugi objavi na forumu uporabljen aq 10 %. Ali je eden boljši od drugega ?
 
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hacke8

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Pri tem ni pomembno, koliko je. Pomembno je, da je vsebina reakcijske snovi v njem enaka. Na primer, potrebujete 100 ml 40-odstotne raztopine metametanola, vi pa imate le 10-odstotno raztopino metilametanola. Za dokončanje reakcije lahko dodate 400 ml 10-odstotne raztopine metilametanola.
 

ImRegistered

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Zakaj je metilaminu+meoh dodan izopropil? V drugih podobnih zapisih nisem zasledil uporabe tega topila
(Povezava v zgornji objavi)
 

G.Patton

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Ker je to potrebno za ponovno raztopitev metilamina v IPA. V primerjavi z mojim zapisom je to boljša možnost, ker omogoča, da se znebimo vode in povečamo izkoristek.
 

Heligo554

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Ob predpostavki, da nehote dodate preveč NaBH4 naenkrat in se temperatura dvigne na 30C, ali je mogoče to na kakršen koli način shraniti ali morate v vsakem primeru začeti znova?
Da, vem, da sem popoln idiot... Dodal sem še 300 ml IPA, da sem vse skupaj spet razredčil, in zdaj je videti, da se spet vsaj nekaj dogaja.
 

G.Patton

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Takšnim temperaturnim nihanjem se morate izogibati, saj znatno zmanjšajo izkoristek. To serijo lahko nadaljujete. Vredno je dobiti nekaj namesto ničesar.
 
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