question about Mandelin test kit

[mr.question]

i made my own test kit because dancesafe and the bunkpolice TOTALLY OVERCHARGE and i think its a bit ridiculous so im testing peoples product for free this summer at music festivals and what not. So i just made a mandelin test kit and i noticed the color of this kit is a different then dancesafe's mandelin kit. It was put in the freezer right after i made it to preserve it so its not going bad. what do you guys think?

heres a pic of the kit -

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Also here is a picture of the reaction it had with some crushed up asprin - on the left is 5 seconds into the reaction and to the right its about 20 seconds into the reaction. it would be very helpful if someone could post a picture of a reaction they had with their madelin test kit on some asprin.

 

[Transform]

I would suggest testing a reference material for which the reaction is well known like sodium chloride.

How long have you stored this?

 

[mr.question]

the kits already sorta orange but ill try. its been stored in a freezer for less than 2 weeks.

thats sorta lame that the salt reactions is supposed to be a strong orange... cocaines reaction is also a strong orange. i dont really like cocaine away but still sorta lamesauce.

ill try some salt out and letcha know whatsup with a pic thanks man.

 

[mr.question]

So what do you think? it was a darker orange before it started to bubble/sizzle.

 

[mr.question]

please lemme know soon bluelighters my friends leaving town and i dont wanna send him off with a defective testing kit.

 

[Transform]

That looks like a good result to me. Be cautious with results that seem faintly yellow but it appears that everything is fine with strong reactions.

 

[mr.question]

kewlio mcfoolio i appreciate your response thank you

 

[uncle_bud]

Interesting. I have only seen very "thick" and solid yellow Mandelin reagents. What "recipe" did you use to prepare the reagent? Yours looks like it's transparent.

 

[Transform]

You may find that the plastic reacts with the sulfuric acid to darken the reagent over time. Some will be very susceptible to this (black within a month) whereas others (ETFE) will be almost completely resistant.

Harder polyethylenes tend to fare better than softer ones IME, but of course fluorinated plastics are best.

 

[CatAnalystUK]

Fluorinated plastics cost way too much, just get a glass bottle next time if your plastic one does not hold up well OP, but it should be fine for a few months in your refrigerator.