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latest glassware purchase 160C is the gradient for boro.
Although, when I cool down reactions that are hot, like 150C, I fi ... |
28-4-2021 at 23:20 by: Fyndium |
preparation/acquisition of acetone (weird problem ik) Are they really banned in China? What is available then?
And - no offence - I presume that if you ... |
28-4-2021 at 21:53 by: Fyndium |
Extraction of urea CO(NH2)2 from DEF (diesel exhaust fluid) – AdBlue When I recovered urea and AN, I poured the stuff into large oven pans and put a fan blowing air over ... |
28-4-2021 at 05:04 by: Fyndium |
Effecting a separation of two, nearly identical compounds That would enable efficient extraction with soxhlet. I thought earlier of purifying NaCN from sodium ... |
27-4-2021 at 07:19 by: Fyndium |
pharma / food grade ethanol - distillation using Hempel column I have used those tube foam insulator wraps and they are great.
The concept of that still is same ... |
22-4-2021 at 23:17 by: Fyndium |
Effecting a separation of two, nearly identical compounds I would likely feed then to sodium hydroxide, recover the ammonia formed from urea and ammonium nitr ... |
22-4-2021 at 23:14 by: Fyndium |
GMO yeast produces opiates: challenges and opportunities I've seen various instances when people have gotten their hands on something they have no clue how t ... |
22-4-2021 at 00:09 by: Fyndium |
Distillation Ideas I get those calcium cataracts all the time when I use water baths to heat many reactions. As the wat ... |
19-4-2021 at 04:52 by: Fyndium |
intent to possess 30 ml methylmercury = 12 yrs prison I would say that 99% of the general public considers cyanide (sodium or whatever form) an extremely ... |
19-4-2021 at 04:46 by: Fyndium |
Can you store 95% sulfuric acid in HDPE for a long time? I would just get a separate glass bottle for more special purposes and keep the rest of the 25 liter ... |
18-4-2021 at 11:25 by: Fyndium |
Can you store 95% sulfuric acid in HDPE for a long time? I have also a HDPE bottle of 98% sulfuric acid over a decade old without single hint of issue. |
18-4-2021 at 09:54 by: Fyndium |
Good service from chem-alley (Russian ebay seller) I think all postal services are pits for thieves. It seem to have become more of a phenomenon than a ... |
18-4-2021 at 09:53 by: Fyndium |
Has anyone smelled hydrazoic acid?How does it smell like?Is it worse than chlorine,ozone and nitrogen dioxide? NO2 has a bit chlorine-like, maybe more pungent and sort of sweetish nuance, difficult to explain, b ... |
18-4-2021 at 09:48 by: Fyndium |
GMO yeast produces opiates: challenges and opportunities Shouldn't one just anyway keep a separate cultivation setup for the desired yeast and only pick more ... |
17-4-2021 at 16:27 by: Fyndium |
Tubing for condenser hookup? I use PVC or PU tubing, transparent stuff, the cheapest that is sold by the meter. ID diameter is so ... |
17-4-2021 at 16:19 by: Fyndium |
GMO yeast produces opiates: challenges and opportunities [rquote=657576&tid=62439&author=karlos³]The bad people who would be interested in this must ... |
17-4-2021 at 00:21 by: Fyndium |
Most toxic compound OTC? Considering that getting wasted and curing the hangover with some painkillers is pretty much the rou ... |
17-4-2021 at 00:09 by: Fyndium |
What is happening at Deschem? I've ordered many shipments during those vacations and it never affected my shipments. So I wouldn't ... |
15-4-2021 at 14:04 by: Fyndium |
Drying methanol What is produced in a reaction is another matter. Mine was about solubility. Water elimination would ... |
15-4-2021 at 12:04 by: Fyndium |
Drying methanol K2CO3.. Might need to add some on my next chem supplier order, then. However much I've looked, it's ... |
15-4-2021 at 09:08 by: Fyndium |
Erlenmeyer vacuum filtration? Unless the solids form significant resistance. Filtering large crystals is like pouring water to a s ... |
15-4-2021 at 01:32 by: Fyndium |
Which brand is best? [glassware] My Simax flask also has air bubble in the bottom.
My Schott Duran flask - at least one of them - ... |
15-4-2021 at 01:24 by: Fyndium |
Erlenmeyer vacuum filtration? I wonder if larger erlenmeyers can withstand lower vacuums, like up to 30% or whatever those small c ... |
14-4-2021 at 12:34 by: Fyndium |
Drying methanol Does anyone have any info on how dry fuel methanol is? I couldn't find any product data, but I presu ... |
14-4-2021 at 04:14 by: Fyndium |
Reagents for sale [from EU] [WORLDWIDE SHIPMENT] Please don't understand me wrong, I find it only positive that you supply reagents here, having been ... |
13-4-2021 at 23:48 by: Fyndium |
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