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Tabelle
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Essica Srl
Via E.Mattei, 15
35020 Maserà di Padova - ITALY
Email: essica.info@tin.it
URL: www.essica.it

Tabelle

Livelli dell’azione germicida dei disinfettanti

LIVELLO
forme vegetative
bacillo tubercolare
forme sporigene
alto
+
+
+
intermedio
+
+
-
basso
+
-
-

Esempi

DISINFETTANTE
CONCENTRAZIONE
LIVELLO
glutaraldeide
2%
alto
formaldeide + alcool
8% + 70%
alto
iodofori
30 ÷ 50 mg/l
intermedio
iodio + alcool
0,5% + 70%
intermedio
composti del cloro
0,1 ÷ 0,5%
intermedio
composti ammonio quaternario
0,1 ÷ 0,2%
basso

Disinfettanti a confronto

 
Vapore
Cloro
Iodofori
Quaternari
Acidi/basi
Attivi su G -
ottimo
buono
buono
buono
buono
Attivi su G +
ottimo
buono
buono
scarso
buono
Attivi su spore
buono
buono
sufficiente
scarso
suff. ÷ scarso
Attivi su batteriofagi
(pericolosi per l’integrità funzionale dei fermenti lattici)
ottimo
buono
buono
scarso
scarso
Sensibili su acque dure
no
no
leggermente
alcuni si, altri no
leggermente
Corrosivi
no
si
leggermente
no
leggermente
Irritanti
si
si
si
no
si
Sensibili ai mat. organici
no
quasi sempre
talvolta
talvolta
Incompatibili con:
materiali sensibili alle alte T
fenoli, amine, metalli
amido, argento
saponi, legno, gomma, cellulosa, nylon
tensioattvi cationici e detergenti alcalini
Stabilità
-
scompare rapidamente
scompare lentamente
stabili
stabili
Stabilità alte Temperature
(> 66°C)
-
instabile, alcuni composti stabili
molto instabili
stabili
stabili
Lascia residui attivi
no
no
si
si
si
Test per residui attivi
inutile
semplice
semplice
difficile
difficile
Tolleranza massima
USDA e FDA
-
200 ppm
25 ppm
200 ppm
200-400 ppm
Costo
costoso
molto economico
economico
costoso
costoso

Principali applicazioni dei disinfettanti

 
Acqua
Industrie alimentari
Disinfezione ospedaliera
Disinfezione
uso esterno
Cloro
SI
SI
SI
SI
Iodio-iodofori
NO
SI
SI
SI
Fenoli
NO
NO
SI
SI
Ossidanti
SI
NO
NO
SI
Sali quaternari
NO
SI
NO
SI
Aldeidi
NO
NO
SI
NO

Combinazione detergenti disinfettanti

DETERGENTI
DISINFETTANTI
Alcali inorganici
Ipocloriti
Composti clorogeni
Quaternari
Acidi inorganici
Tensioattivi non ionici
Iodofori
Tensioattivi anionici
Composti clorogeni
Tensioattivi non ionici
Quaternari
Iodofori

Incompatibilità disinfettanti - materiali

DISINFETTANTI
MATERIALI
Cloro
ferro - AISI serie 400
Iodofori
alluminio-rame-ottone-ferro
Quaternari d’ammonio
cellulosa-nylon-legno-gomma -materiali porosi
Composti ossidanti
alluminio-rame-ottone