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1586303
Prueba de putrefaccion con acetato de plomo
Description
Mind Map on Prueba de putrefaccion con acetato de plomo, created by celinarincon on 05/11/2014.
Mind Map by
celinarincon
, updated more than 1 year ago
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Created by
celinarincon
over 9 years ago
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Resource summary
Prueba de putrefaccion con acetato de plomo
1. El papel filtro se agregan 5 gotas de una solucion de acetato de plomo (solo en el centro) y se deja secar parcialmente.
2. Se pesan 5gr de muestra en el matraz Erlenmeyer.
3. Se agregan 50 ml de la mezcla de acido sulfurico H2SO4 -Agua H2O destilada (5:45) (vaciar lba solucion sin tocar las paredes del matraz)
4. Se cubre la boca del matraz con el papel filtro ciñendo con una liga o cinta adhesiva.
5. Se deja reposar a temperatura ambiente por 24 hrs.
6. Si la muestra esta putrefacta la parte interna del papel filtro se colorea cafe o negro.
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