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Elaboración de Aspirina

Proceso de elaboración de la Aspirina
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on 25 September 2013

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Transcript of Elaboración de Aspirina

CALENTAMIENTO
H2SO4
C7H6O3 + C4H6O3 C9H8O4 + C2H4O2

CALENTAMIENTO ENTRE 50° Y 60°C DE 2 A 3
MINUTOS HASTA LA DISOLUCION
TOTAL DEL SÓLIDO
E1) 1.5 de acido salicilico C7H6O3
al 95.5 % --- 1.43g
E2) 2ml de anhídrido
acético C4H6O3
al 97% --- 2.18g
E3) 2gotas de acido
sulfúrico H2SO4
al 98.76%--- .1817g
ENFRIAMIENTO
(PRECIPITACIÓN)
E4) 20 ml de agua H2O
m= 19.96g
CRISTALIZACIÓN
10 - 15 MIN
(HIELO)
FILTRACIÓN Y LAVADO
Aprox. 500 ml
de agua
SECADO
50 - 70°C
de 15 a 20 MIN
Ed) acido acetil
salicilico
(humedo)
C9H8O4 = 1.86g
C2H4O2 = .6217g
H2SO4 = .1817g
Eb
Ea
Ec
NEUTRALIZACIÓN
H2SO4 + NaOH Na2SO4 + H2O
CH3 COOH + NaOH CH3 COONa + H2O
DRENAJE
S1
Agua madre
NaOH
TRITURACIÓN
S2) H2O
Ee) A.A.S.S
por balanza
Ef) por balanza
S3) pérdida de A.A.S.S
si es que existen
PASTILLADOR
(MOLDEADO)
TABLETA
S4) pérdida de A.A.S.S

S5
M=
ASPIRINA
Full transcript