Group

Treatment of experimental skin area once a day during 10 days

Treatment of intact skin area on 12^th experiment day

I

2% solution of CoCl₂ - 0.5 ml

2% solution of CoCl₂ - 0.5 ml

II

MND 5.0 g・L⁻¹ - 0.5 ml, after 2 h

2% solution of CoCl₂ - 0.5 ml

2% solution of CoCl₂ - 0.5 ml

III

MND 10.0 g・L⁻¹ - 0.5 ml, after 2 h

2% solution of CoCl₂ - 0.5 ml

2% solution of CoCl₂ - 0.5 ml

IV

5% solution of NiCl₂ - 0.5 ml

5% solution of NiCl₂ - 0.5 ml

V

MND 5.0 g・L⁻¹ - 0.5 ml, after 2 h

5% solution of NiCl₂ - 0.5 ml

5% solution of NiCl₂ - 0.5 ml

VI

MND 10.0 g・L⁻¹ - 0.5 ml, after 2 h

5% solution of NiCl₂-0.5 ml

5% solution of NiCl₂ - 0.5 ml

VII

2.5% solution of K₂Cr₂O₇ - 0.16 ml

2.5% solution of K₂Cr₂O₇ - 0.16 ml

VIII

MND 5.0 g・L⁻¹ - 0.5 ml, after 2 h

2.5% solution of K₂Cr₂O₇ - 0.16 ml

2.5% solution of K₂Cr₂O₇ - 0.16 ml

IX

MND 10.0 g・L⁻¹ - 0.5 ml, after 2 h

2.5% solution of K₂Cr₂O₇ - 0.16 ml

2.5% solution of K₂Cr₂O₇ - 0.16 ml