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Please email us. Unfortunately we don’t know any of the laws in Ecuador.
They can work with any liquid which is only water, including urine or water.
It depends on temperature, light exposure and frequency of use (this impacts how much oxygen gets in and how much moisture gets in. The moisture that gets in is affected by the humidity when the bottle is opened) so there’s no one exact answer but the reagents will still last many months. The froehde is the best and can even last more than 12 months when stored out of the fridge.
You would have to check the regulations of your airline but if you do, it is best to put them in checked luggage and make sure that the lid is on tightly and they are individually bagged as they will damage your luggage if they leak (due to the reduced pressure in the hold). They can be safely transported individually bagged in hand luggage with your other liquids, again airline regulations permitting.
While wearing gloves and eye protection, start the cold tap running gently and then remove the lid of the reagent bottle and upturn it so that the contents drip into the flowing water. As soon as they are diluted, the risks are very low but it is not safe to drink or wash in the water.
Ketamine itself doesn’t give a colour change with any reagents but cutting agents do – the cocaine testing multipack is actually most suitable for this as some preservatives in vetinary ketamine give a faint orange reaction with the mandelin reagent and a faint yellow with liebermann, which is a helpful identification hint.
It will produce a mixture of the colours – a lot like mixing two colours of paint. If you have a powder or crystalline substance with two different looking types of crystal, try to separate them and test them individually.
Definitely! We love talking about testing, please email admin at reagent-tests.uk.
We are not aware of any countries in which reagent tests are illegal. The reagents are used in laboratories for testing other common compounds so banning them would be impractical.