Sinteza 4-MMC (mefedrona). Popolno video navodilo.

hazel

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Im lahko uporabite 31% kislino Hcl ?
 

fuckypu

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Ali lahko za odstranitev vode v prostem mefedronu uporabim kuhinjsko sol?
 

fuckypu

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Zakaj ne, če je kuhinjska sol NaCI ?
 

G.Patton

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Ker to ne deluje - vprašali ste, odgovoril sem vam. MgSO4, Na2SO4, K2SO4 brezvodni so možnost. NaCl Ne absorbira vode iz ekstrakta amf proste baze.
 

fuckypu

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Bro je na videoposnetku videti dobro, uporabljajo pa NaCI = natrijev bikarbonat
učitelj doda zadnji korak izpiranja olja Natrijev bikarbonat in iz olja izloči preostalo vodo, kdo se moti, vi ali učitelj?
 

G.Patton

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NaHCO3 je natrijev bikarbonat
Dodan je bil, da bi se znebili ostankov broma (Br2). Ne za sušenje.
 

fuckypu

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Natrijev bikarbonat, pot. soda bikarbona, E500b, NaHCO 3 - anorganska kemijska spojina iz skupine bikarbonatov, vodikova sol ogljikove kisline in natrija. Wikipedija
 

fuckypu

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Mešanico pustimo stati nekaj minut, preostanek vode z natrijevim kloridom pa zberemo v spodnji plasti. Ta ostanek vode se odstrani. Čista prosta baza mefedrona v benzenu ostane v th
natrijev klorid kaj je
Natrijev klorid, NaCl - anorganska kemijska spojina iz skupine kloridov, sol klorovodikove kisline in natrija
.Je osnovna sestavina kuhinjske soli, izparjene soli in cestne soli.
 

aaronstevens

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Koliko 2 bromo 4 metilpropiofenona je bilo proizvedenega iz 100 g 4 metilpropiofenona v videoposnetku
 

aaronstevens

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Če U že imam 2B4M in preskočim korake bromiranja, vendar želim imeti popolnoma enako količino drugih reagentov. Koliko 2 bromo 4 metilpropiofenona bom potreboval?
 

G.Patton

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Potrebno je spremeniti gostoto vode, da bi lažje ločili plasti. Dodajanje NaCl je običajna tehnika. Ali zdaj razumete?

http://bbzzzsvqcrqtki6umym6itiixfhni37ybtt7mkbjyxn2pgllzxf2qgyd.onion/threads/mephedrone-synthesis-4-mmc-in-nmp-solvent-large-scale.231/
 

Studenttt

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Pozdravljeni, imam samo metilamin hcl, kako lahko naredim 40-odstotno raztopino. Ali lahko samo zmešam 40 gramov belega 100 ml vode
 

CristalKing

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Svoj metilamin HCL lahko dodate 2-bromo ... v katerem koli topilu in počasi dodate pravilno količino NaOH v vodi 1:5, potem se bo metilamin HCL spremenil v metilaminski plin ali v vodi ....
 

yin-yang

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Ali lahko za halogenacijo alfa uporabljamo konc. HCl?


Kislina bo tautomerizirala keton v enol, peroksid pa bo oksidiral HCl v elementarni Cl2, ki je prav tako dobra izhodna skupina za korak N-metilacije. Ali sem kaj spregledal?
 
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G.Patton

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Bolje je uporabljati elementarni Cl2 v plinu. Skoraj prepričan sem, da bo izkoristek veliko boljši.
 

yin-yang

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Ali veste, kakšen bi bil izkoristek z metodo HCl/peroksid (imajo 50 %)? Poskušam se izogniti rakavim/strupenim kemikalijam.
 

G.Patton

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Nimam pojma. Nisem prepričan, da bo reakcija potekala, kot ste povedali, ker bo h2o2 vse oksidiral in namesto ketona lahko dobite alkohol ali kaj hujšega, kot je črno lepljivo olje.
 

yin-yang

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Ali je kdo preveril končno čistost kristalov z metodo GC-MS? Ali veste, kakšen bi lahko bil razpon, saj kristali ne bodo zares zrasli, če bodo prisotne nečistoče?
 

Sopranos

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Kolikšni so stroški te proizvodnje - prekurzorjev in drugih stvari - za npr. 1 kg mefedrona?
 
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