Syntéza metamfetamínu z efedrínu pomocou I2 a H3PO2

hacke8

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Páni, robil som tento pokus a zahrieval som ho na 125 stupňov, pretože kyselina fosforečná sa zahrieva na 130 stupňov, vznikne fosforečnanový vodík (toxický). Existuje nejaký spôsob, ako sa im vyhnúť?
 

GhostChemist

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môžete použiť absorpciu PH3 s NaClO a NaOH
H3PO2 zničený pri 170 C
 

CARLITOBRO

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Môžem použiť kyselinu hydriodovú 57 % namiesto kyseliny hypofosforečnej ?
 

caydiantak

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Funguje to s pseudo?
 

Toti

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Dobrý deň, je nejaký rozdiel, ak v tomto recepe použijem sudoefedrín ?
Ďakujem
 

Throw-off

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Rôzne pomery pre efedrín a pseudo.
 

amieri

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You want a molar equivalent , these are hypothetical amounts, but say the the 6g of ephedrine is 20mmol of one mol of ephedrine then you'd want 20mmol equivalent of pseudo.im by no mean a pro and have never even looked up the molecular weight of either of them put that's the idea .
There's a post on here somewhere I believe from patten that is very detailed and informative about the subject definitely look it up because this is something that is very important in all reactions.
Sincerely B

!MAKE AMERICA COOK AGAIN!
 

kackbratze

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Dobrý deň, mám otázku: namiesto jódu by sa mohol použiť jód draselný? Pretože Potassium Idodine sa dá kúpiť oveľa ľahšie.
 

G.Patton

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Dobrý deň, nie. Tieto látky majú rôzne chemické vlastnosti.
 

Throw-off

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Na výrobu jódu môžete použiť potasium jód. Dá sa to urobiť za lenivé nedeľné popoludnie.
 

CARLITOBRO

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Môžem použiť kyselinu hydriodovú 57 % namiesto kyseliny hypofosforečnej ?
 

G.Patton

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Dobrý deň, nie, nemôžete použiť ani kyselinu jódovú, ani kyselinu fosforečnú
 

Bmth

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Požiadajte odborníkov o odpovede, pretože som neuspel a minul som veľa peňazí a materiálu.
Bahasa Indonesia: Čo je potrebné pre túto fázu destilácie pre ďalší proces?
Bahasa Indonesia:Či výsledok destilácie vodnou parou, alebo zvyšok materiálu, ktorý sa zahrievaČi výsledok destilácie vodnou parou, alebo zvyšok materiálu, ktorý sa zahrieva 🙏
 

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Pinkbay

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Pani učiteľka, môžem namiesto toho použiť DCM bez destilácie a prejsť priamo do nadváhy chlorovodíka?
 

William D.

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You can do this, but it is better to extract into the water layer when acidification and evaporate part of the water. You can use aq. HCl
 

Saâd

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Hello, please can you give the weights that can be followed with the steps to get one kilogram ?🙏
 
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