DXM and reactant colour changes.

[steveshutt]

hi all,

i recently tested ... and then re-tested a pill which had the following
reactions:

Marquis -- slow reaction to dark grey.
Mandelin -- fast reaction to black.
Robadope -- zero.
Simon's -- Zero.

The definitive test for DXM is Mecke... however, when i went to test with mecke i found that the solution was already completely black.. it's oxidised.. i guess that happens when you don't put the top back on the bottle tightly enough.

Naturally.. i'm now keen to find out if:

(a) DXM doesn't change Simon's
(b) DXM doesn't change Robadope
(c) DXM changes Mandelin to black.

if these things are all true.. then it suggests my ID of this pill as DXM Is correct.. If not.. then this pill must contain something else.

Thanks for your help ... and any other remarks you choose to make

cheers

steve

 

[RavenousBlonde]

First off, you were in the wrong forum, so I moved you over here.

Second, I'd say your Mecke is definitely bad. You can always get a replacement from EZ, though.

DXM only shows up with Marquis and Mecke, no other reagents test for it. With a grey reaction on the Marquis, I'd say to toss them. Especially after seeing no reaction from Robadope or Simon's. Here's a handy chart to keep around for most of the reagent reactions: http://en.wikipedia.org/wiki/Pill_testing