S = Satisfactorio; M = Marginal; U = No Satisfactorio

Reagent (Solids in saturated
solution unless indicated otherwise)

Exposure
Temp ºC

 Time,
Days		 Chemical
Exposure
Perfomance
Palmitic acid
23
S
Paraffin wax
60
S
Paraldehyde
20
M
60
M
Peanut oil
23
133
S
60
73
S
Peppermint oil
23
196
S
50
95
M
Perchloric acid
23
S
Petroleum oils, sour
23
M
Petroleum oils, refined
23
S
Phenol
60
100
S
Phenol solution (5%)
23
365
S
60
30
S
Phosphoric acid (25%)
23
S
Phosphoric acid (25-50%)
23
S
Phosphoric acid (85%)
60
100
S
Phosphorous oxychloride
20
M
Picric acid
23
M
Pine needle oil
20
S
60
S
Plating solutions Brass, cadmium,
chromium, copper, lead, gold, indium,
nickle, rhodium, silver, tin, zinc.
60
S
Potassium bichromate/sulfuric acid/
water (5/100/5)
21
100
M
60
100
M
Potassium bicarbonate
60
S
Potassium borate
60
S
Potassium bromate
60
S
Potassium bromide
60
S
Potassium carbonate
23
S
Potassium chlorate
23
S
Potassium chloride
23
S
Potassium chromate
60
S
Potassium cyanide
100
S
Potassium ferricyanide
60
S
Potassium ferri/ferrocyanide100
S
Potassium fluoride
100
S
Potassium hydroxide
50
180
S
Potassium hydroxide (50%)
23
365
S
Potassium iodide
23
S
Potassium nitrate
100
S
Potassium perborate
60
S
Potassium perchlorate
60
S
Potassium persulphate
60
S
Potassium permanganate solution
21
100
M
Potassium sulphate
23
S
Potassium sulphide
100
S
Potassium sulphite
100
S
Propane
23
M
Propionic acid
20
S
60
M
Propylene dichloride
20
M
60
M
Pudding
20
S
60
S
Pyridine
23
S
Rice barn oil
23
106
S
60
111
S
Rosin (light)
23
S