Comparision with other Disinfectants

EVALUATION CRITERIA QUATS PHENOLS ALDEHYDES HALOGENS GRAMICID Spectrum of Activity Gram pos, Bacteria, Fungi, Yeasts, Sheathed viruses Gram pos, Bacteria, Gram neg. Bacteria, Fungi, Yeasts, Sheathed viruses Gram pos, Bacteria, Gram neg. Bacteria, fungi, Yeasts, Spores sheathed & unsheathed viruses Gram pos, Bacteria, Gram Neg., Bacteria, Fungi, Yeasts, Spores sheathed Viruses. Gram pos. bacteria, Gram neg., Bacteria, Fungi, Yeasts, Spores Sheathed & unsheathed viruses, Amoebae, Protozoa, Biofilms. Gaps in Spectrum of Activity Gram neg. Bacteria, mycobacteria, Spores, Unsheathed viruses, Amoebae, Protozoa, Biofilms. Spores, Unsheathed Viruses, Amoebae, Protozoa, Biofilms. Amoebae, Protozoa, Biofilms. Amoebae, Protozoa, Biofilms Unsheathed viruses --------- Albumin Turbidity and decreased Frothing in contact With beer strong Not used, Because of risk of alteration of Colour and Taste. Not used, Because of risk of alteration of Colour and Taste. Strong None Reaction to water Hardness Poor Very Good Good Good Very good Albumin Loading Capacity Poor Very Good Poor Poor Very Good Surface behaviour Surface residue Absorbed on rubber and plastic High vapour pressure, loading of ambient air. Surface residue Very good Odour Odour Less Strong Pungent Strong Odourless Tolerance to skin Good Good in recommended concentration Irritant to skin and eyes, risk of sensitization Irritant to skin and eyes, toxic in gaseous form Very good in recommended concentration Carcinogenecity None Yes. proven Yes. proven Yes. (Chloroforms) None LD50 oral, rats 350-900mg/kg 1830-3000mg/kg 800-1700mg/kg   Greater than 2854mg/kg LD50 by inhalation     0.59 mg/l air   Greater than 59.9 mg/l General Stability after dilution Only short-term, not reusable. Only short term, not reusable Only short-term, not reusable, Only short-term, reusable under certain conditions Very Good reusable Stability to Temprature Moderate Poor Poor Very Poor Very good Biodegradability in Water Treatment Plants 90% after 5 days 100% after 3-7 days neutralization necessary Good, but neutralization necessary Very poor neutralization necessary 100% after 24 hours Universal Use Limited Limited Limited Moderate Very Good