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?
 
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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
 

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.
 

CARLITOBRO

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Môžem použiť kyselinu hydriodovú 57 % namiesto kyseliny hypofosforečnej ?
 

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 Dampier

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

William Dampier

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You must control the boiling to avoid problems with the volcano. Use boiling chips. Change the weight you need according to the specified proportions.
 

cicici

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Hello, I have a question
I got a good result through this work
I have a few questions
1. It was heated to 100 degrees in hypophosphoric acid + ephedrine + iodine
There was a weight loss for the result. Would 110 degrees be okay?
2. Is it okay to calculate the capacity twice or three times for the mass production process and run the process? If so, how should we calculate the temperature and time of the reflux cooler?
3. I'm most curious about the process for number two. Simply put, if you start with six grams of ephedrine, if you put two or three times the dose in every process and manufacture it
I wonder what the temperature and time of the reflux cooler should be
4. The process of reflux cooler refers to the process in hypophosphoric acid + ephedrine + iodine
 

GhostChemist

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The temperature can be 110 but longer in time
In this synthesis, phosphine is formed, therefore, an increase in the volume without ventilation hood is unsafe
 

cicici

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Thank you for your answer
1. If you increase the volume, how much volume is appropriate?
2. If you increase the volume, how should you determine the time and temperature?
3. Why does it take longer than 100 degrees if you proceed to 110 degrees?
4.What is the appropriate temperature in your opinion?
 

kafka82

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I am newbie - is there a video of this detailing the process? Also particualrly concerned about the best type equipment to procure fo rmagnetic heater and the reflux for example...
 

@speedboysss

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