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Table 1 Started solutions of chemical agents, their concentrations and pH values, which were used for the MIC tests.

From: The efficacy of chemical agents in cleaning and disinfection programs

Chemical Agent

Solution

Solution

 

Concentrations (%)

pH values

QACs – Quaternarium Ammonium Compounds

0.5

6.3–6.9

Chlorhexidine digluconate

4.0,0.1,1.0

6.18–6.95

Glutaraldehyde

2.0, 1.5

7.14

Formaldehyde

0.5, 2.3

7.79

Alcohol: Ethanol (EtOH) or Isopropanol

70.0

5.50 (EtOH)

 

70.0

6.59 (Isopropanol)

Ethanol (EtOH) plus glycerin

70.0 (EtOH) + 2.0 (glycerin)

5.94

Ethanol (EtOH) plus iodine

70.0 (EtOH) + 1.0 (I2)

5.50

 

70.0 (EtOH) + 10.0 (I2)

5.50

Pvp-I2 – topic: Aqueous polyvinylpyrolidone-iodine

10.0 (I2)

5.32–5.95

Pvp-I2 – soap – Aqueous Pvp-I2 into lauryl ether sulfate (25% w/v)

10.0 (I2)

5.72

Pvp-I2 – Alcoholic Pvp-I2 into ethanol (70% v/v)

10.0 (I2)

2.04–2.90

CRAs – Chlorine releasing agents – Sodium hypochlorite (NaOCl) into

1.0 total free chlorine

> 9.0

phosphate buffer at pH = 7.0

0.1 total free chlorine

7.0–7.6

NaDCC – Sodium dichloro-isocyanurate

1.0 total free chlorine

6.70

H2O2 – Hydrogen Peroxide

4.0

3.3

Peracetic Acid (PAA) at 3.7%. pH = 3.03.

3.7

3.03