If you can’t stand your tea being tepid or your water turning lukewarm, an insulated flask could be the answer ... to the twist and pour stopper. Our one quibble would be the stainless steel ...
The condenser and stopper were then rinsed with 10 mL of ethanol ... with different proportions was weighed and introduced into a 100-mL conical flask, to which 5.8 mL of isopropanol and toluene were ...
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