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yes there is a video step by step on youtube just search for mandelic acid / phenylacetic acid... your welcome...

there is a whole video on youtube just search for mutang ephedra plant extraction ...your welcome

hi + h3po3 can you provide temperture and time to reflux ?

can we reduce pseudoephidrine hcl with the same method ?

thank you its been a while since i post my question but no experts here to ansewer and i'm really stuck also i dont mind throwing th Hi after using it because its cheap here where i live anyway you were the only one replyed thank you very much anyway

are you sure about that ? because i read somewhere that red phosphorus is also needed to keep the reaction going no ?

are you sure about that ? because i read somewhere that red phosphorus is also needed to keep the reaction going no ?

please im asking since your last video can i use h3po3 unstead of h3po2 i don have access to any of h3po2 or redp

can please explain ratios of PSEUDO and IODINE and H3PO3 ratios and time and heat please i dont have access to H3PO2 and if it really works and H3PO3 is a good reliable reducing agent please replay

can i use hydriodic acid 57% instead of hypophosphorus acid ? please replay

can i use hydriodic acid 57% instead of hypophosphorus acid ? please replay

can i use hydriodic acid 57% instead of hypophosphorus acid ?

there is but its not scalable since it takes a lot of time since he matchboxes in my country are rare to find ..i have no problem in pse or ephidrine pills or hidriodic acid or iodine crystals my only problem is red.p and hypo

hello any help please is there anyway to do it without the red phosphorus please guys i have only i2 (lab grade) and hi (57%) please any help is there any alternative to red phosphorus because i can find the h3po2 ( the hypo acid ) is there any other acid can help ?

is there any help here

really if i use hi dont need for phosphorus can plzase help me i cat find a way to do it without r phos i have a hidriodic acid 57% lab grade whats the ratio and how to do it... please help

hello any help please is there anyway to do it without the red phosphorus please guys i have only i2 (lab grade) and hi (57%) please any help is there any alternative to red phosphorus because i can find the h3po2 ( the hypo acid ) is there any other acid can help ?

and it could replace the red phosphorus ? in the hidroidic reduction ?

how to proceed please ratios of pseudofed and iodine and aluminium phosphate and time to reflux and heat please

PLEASE is there any alternatives to h3po2 or to red phosphorus they are unreacheable in my country someone help i have the iodine crystals / naoh / hydriodic acid / hcl / eveeeeryyything i have access to everything exept those two plase someone help