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| tutorial:tutorial_on_nitric_acid_epoxy_decapsulation [2013/10/20 14:59] – external edit 127.0.0.1 | tutorial:tutorial_on_nitric_acid_epoxy_decapsulation [2014/02/04 02:35] (current) – azonenberg | ||
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| * Watch glass (optional) | * Watch glass (optional) | ||
| * Thermometer (optional) | * Thermometer (optional) | ||
| + | * Fume hood or local exhaust | ||
| Pour out 25 mL of 70% nitric acid into the beaker. This volume is enough to dissolve most packages and provides enough liquid to buffer the temperature. If a watch glass is available, put it on top of the beaker. This will create a reflux condenser that will reduce fumes and reuse evaporated acid. Note the pour spout of the beaker should keep the assembly from building up pressure. | Pour out 25 mL of 70% nitric acid into the beaker. This volume is enough to dissolve most packages and provides enough liquid to buffer the temperature. If a watch glass is available, put it on top of the beaker. This will create a reflux condenser that will reduce fumes and reuse evaporated acid. Note the pour spout of the beaker should keep the assembly from building up pressure. | ||
| - | {{gallery> | + | |
| + | Working in a fume hood is very strongly recommended, | ||
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| + | {{:tutorial: | ||
| Heat solution to 75-80C. The key point is that the acid should not boil, but the epoxy should be rapidly bubbling. Something like this: | Heat solution to 75-80C. The key point is that the acid should not boil, but the epoxy should be rapidly bubbling. Something like this: | ||