Sulfuric Acid?

[RavenousBlonde]

He told me everything I said actually lol. About the formalin and all :D via PM. Good guy really

If phase_dancer said it, you can take it to the bank.

We miss you around here, p_d!

 

[Coolio]

...Unless you stashed a vial of sulphuric acid from a school science lab you'd have a bloody hard time getting your hands on sulphuric acid. And if you're going down that route why not bottle some ammonia too and sniff that for kicks

Just get a tester. Simples

What do you think the test kits are made out of? They're easy to do at home, no reason to purchase a pre-made kit if you have the desire to understand how the reagent works.

Sulphuric acid is easy to get OTC, as well as ammonia. Where are you coming from??

 

[phase_dancer]

As mentioned, Marquis contains both formaldehyde and sulphuric acid. Sulphuric acid alone is often used in forensics as a reference. MDMA will produce a purple--> black with Marquis and a purple/red with sulphuric acid. MDA will produce a purple with sulphuric alone.

HCl cannot be used as a replacement for sulphuric acid in Marquis.

I would presume any OTC product containing formaldehyde in solution would also contain a small amount of methanol, as it extends the shelf life considerably (slows down polymerisation which makes a formalin solution white, and Marquis brown)

We miss you around here, p_d!

Aw Shucks, I'll try to pop in a bit more...