do tell us the results! I'd suggest a GC if you have access to one, as a control spike a sample of your solution with some methanol.real said:i am carrying one experiment on the decomposition of sweetener-Aspartame under acidic condition which will give out methanol
Where (in the world) are you? In the Yellow Pages look under 'Laboratories-Testing'. Call the labs with the biggest ads first. The smaller guys (with no GC equipment) will outsource your job to the big guys and mark up the price. It may cost you about $100 for the test. About the same price as a VERY excellent bottle of 18 yr old imported scotch. And there will be no methanol there my friend!Another question about methanol ----->
Where could I take a sample of a "drinking alcohol" to be tested for methanol contamination?
I've been wondering how to test for acetone or methanol since it is standard practice at my lab to handle both with latex gloves. I recently read that latex gloves are very permeable to these solvents and shouldn't be used with them, so I was actually wondering yesterday how I could try to test how much methanol or acetone will permeate the glove...I guess it sounds like there's not really a very good way?Methanol is intoxicating but not directly poisonous. It is toxic by its breakdown (toxication) by the enzyme alcohol dehydrogenase in the liver by forming formic acid and formaldehyde which cause blindness by destruction of the optic nerve.... If methanol has been ingested, a doctor should be contacted immediately. The usual fatal dose is 100–125 mL (4 fl oz). Toxic effects take hours to start, and effective antidotes can often prevent permanent damage. This is treated using ethanol or fomepizole. Either of these drugs acts to slow down the action of alcohol dehydrogenase on methanol by means of competitive inhibition, so that it is excreted by the kidneys rather than being transformed into toxic metabolites.
For methanol, you can safely wear nitriles, but for acetone the only really resistant glove material I've found is rubber.gabee said:I recently read that latex gloves are very permeable to these solvents and shouldn't be used with them, so I was actually wondering yesterday how I could try to test how much methanol or acetone will permeate the glove
How did you (assuming you did) ingest this amount of methanol? I don't think 0.1mL should pose much of a threat, but I'm not a doctor or anything. Best to call poison control because it'll keep you from having to worry. Blindness can occur at levels lower than the fatal ones stated in gabee's post. The best antidote is probably to drink alcohol (ethanol) because apparently your body can then process in a safer manner.BNC992 said:How long does methanol stay in your system if you accidentaly consume small amounts? (about .10 ml)
AThis sounds scary. Methanol is toxic, and acidic conditions can create methanol from aspartame? I hope you mean organic acids, because if you mean HCl, then a lot of people should be dying from drinking diet soft drinks ;).