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Contamination

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Video and analysis - Oily ash weed
Posted by: Derek (IP Logged)
Date: November 16, 2009 10:45PM

UKCIA has just received this video. The contributer wrote

Quote:
it was sold as “Orange Bud”, it looked OK. On first inspection it looks like it would have been a really good deal with nice green buds (almost bright green but a little darker) that were uniformly rounded and small to medium in size and with the orange resin bracts clearly visible, it was dry and crispy, and not sticky, it didn’t smell of anything much apart from a just little mouldy. It didn’t crunch to the teeth and at the front of the tongue didn’t taste of anything. However at the back of the tongue, it tasted very sour.
In a pipe it burned with an audible pffff pfff fizz sound, it sparkled all over like a little sparkler, throwing up little sparks. The ash was firstly grey but when touched/poked it easily breaks down into a sticky dirty greasy sludge that feels very slippy between the fingers, like graphite. The gunk has even almost permanently stained the brass of my pipe too!

It gave me sore throat/head/neck and blisters on one side of my throat.

It is a classic example of Oil weed in my opinion.

Analysis in a lab was inconclusive

Quote:
First of all I thought it might be a calcium or lithium carbonate but upon adding concentrated acid, it did not dissolve as expected. It seems insoluble in everything including common laboratory solvents ie DCM, Methanol, Acetonitrile, DMSO. DMF etc

Conclusions - Cannot run any experiments (NMR ( [en.wikipedia.org] ), IR (http://en.wikipedia.org/wiki/Infrared_spectroscopy ) or HPLC ( [en.wikipedia.org] ) because of its insolubility) so its not an organic substance, therefore I think its possibly a clay of some sort. I did a quick search and found that clays can be applied as a spray to fruits to prevent "sun scald" and pest attack. So either this is applied to bulk up the mass or to protect the plant if they are under forced growing conditions (close to UV lamps maybe?). The flaring when a flame is applied also suggests its a fine powder clay (made up of different minerals) which would do this. So there you go, food for thought!”


[findarticles.com]

My reading of "clay" would be a silica type spray.



Derek

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