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GRASAS Y ACEITES Normas y Procedimientos

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Diagramas de flujo Normas Cálculos

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Muestra pesada y tarada
en gramos



A la muestra determinada en
gramos, seca, fundida y
filtrada, contenida en un
matraz Erlenmeyer de 300 cm3



Se le agregan tantos centímetros
cúbicos de alcohol etílico como lo
indica la tabla, previamente neutralizado



Si la disolución de los ácidos grasos libres
no es completa en frío, caliente
suavemente el matraz en baño de vapor
a reflujo hasta disolución completa



Y después se agrega 1 cm3 de
fenolftaleina




Se titula la mezcla con la solución de hidróxido
de potasio valorada, agitando frecuentemente
hasta que una coloración rosada persista
durante 30 s.




Cálculos

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Uploaded on
June 15, 2023
Number of pages
4
Written in
2022/2023
Type
Class notes
Professor(s)
Elias lay
Contains
All classes
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