Chemical

Concentration

Conditions

20°C

68°F

60°C

140°F

Acetic acid

10%

1

3

Acetic acid

60%

1

3

Acetic acid

Glacial

5

5

Acetic anhydride

5

5

Acetone

Traces

5

5

Acetone

100%

5

5

Adipic acid

4

4

Alcohol allyl

5

5

Alcohol ethyl

40% w/w water

1

4

Alcohol ethyl

100%

1

4

Alcohol isopropyl

1

4

Alcohol methyl

6% aq. soln

1

1

Alcohol methyl

100%

3

4

Allyl chloride

5

5

Aluminum salts

1

1

Ammonia

s.g. = 0.88 aq. sol

1

5

Ammonia

Dry gas

4

4

Ammonia

Liquid

4

4

Ammonium hydroxide

1

4

Ammonium salts

1

1

Ammonium sulfide

1

5

Aniline

5

5

Animal oils

1

4

Barium salts

1

1

Beer

1

4

Benzaldehyde

Traces

5

5

Benzaldehyde

100%

5

5

Benzene

5

5

Barax

1

4

Brine

1

1

Bromine

Gas, traces

5

5

Bromine

100% dry gas

5

5

Bromine

Liquid

5

5

Butane

4

4

Butanol

1

4

Butyl acetate

5

5

Butyric acid

20% aq. soln

1

4

Butyric acid

Conc.

5

5

Calcium hydroxide

1

4

Calcium hypochlorite

1

4

Calcium salts

1

1

Carbon dioxide

1

1

Chemical

Concentration

Conditions

20°C

68°F

60°C

140°F

Carbon disulfide

5

5

Carbon monoxide

1

1

Carbon tetrachloride

5

5

Casein

1

1

Chlorine

10% (dry gas)

4

4

Chlorine

100% (dry gas)

4

4

Chlorine

10% (moist gas)

4

4

Chlorine water

Saturated soln

3

5

Chlorobenzene

5

5

Chloroform

5

5

Chlorosulfonic acid

5

5

Chromic acid

Plating soln

5

5

Chromic acid

Conc.

4

4

Citric acid

1

4

Copper salts

1

1

Cycloexanol

5

5

Cycloexanone

5

5

Detergents, synthetic

All conc.

1

4

Developers, photographic

1

1

Dextrose

1

1

Dichlorethylene

5

5

Dichlorbenzene

5

5

Diesel oil

2

2

Diethyl ether

5

5

Dimethylamine

4

4

Emulsifiers

All conc.

1

1

Emulsions, photographic

1

1

Ether

5

5

Ethyl acetate

5

5

Ethylene dichloride

5

5

Ethylene glycol

1

4

Fatty acids

4

4

Ferric salts

1

1

Fixing solution, photography

1

1

Fluorine

5

5

Formaldehyde

40% w/w in water

1

4

Formic acid

40%

4

4

Formic acid

50%

3

5

Formic acid

10%

5

5

Glucose

1

1

Glycerin

1

4

Grape sugar

1

1

Hydrochloric acid

10 aq. soln

1

1

Hydrochloric acid

22%

1

1

Hydrochloric acid

Conc.

1

3

Hydrochloric acid

4% aq. soln

1

Chemical

Concentration

Conditions

20°C

68°F

60°C

140°F

Hydrofluoric acid

40% aq. soln.

1

4

Hydrofluoric acid

60% aq. soln

5

5

Hydrofluoric acid

Conc.

5

5

Hydrogen

1

1

Hydrogen bromide anhydrous

1

4

Hydrogen chloride anhydrous

1

4

Hydrogen fluoride

1

4

Hydrogen peroxide

3% (10 vol.)

1

4

Hydrogen peroxide

12% (40 vol.)

1

4

Hydrogen peroxide

30% (100 vol.)

1

4

Hydrogen peroxide

90% (and above)

1

4

Hydrogen sulfide

1

4

Iodine

Soln in potassium

4

4

Iodine

Iodide

5

5

Lacquer solvents

3

5

Lactic acid

10%

1

4

Lactic acid

100%

5

5

Lauric acid

1

4

Lauryl alcohol

1

1

Lead salts

1

1

Magnesium salts

1

1

Manganese sulphate

Conc. soln

1

1

Mercuric chloride

5

5

Methyl chloride

5

5

Methyl ethyl ketone

5

5

Methylene chloride

5

5

Milk

1

4

Mineral oils

2

2

Mixed acids (sulphuric / nitric)

various proportions

4

5

Molasses

1

1

Naphtha

5

5

Naphthalene

5

5

Nickel salts

1

1

Nitric acid

10%

1

4

Nitric acid

25%

1

4

Nitric acid

50%

1

3

Nitric acid

70%

3

5

Nitric acid

95%

5

5

Nitorbenzene

5

5

Nitrogen fertilizers

1

4

Nitrous fumes

Moist

4

5

Oleic acid

1

4

Oxalic acid

1

4

Oxygen

1

1

Ozone

1

4

Palmitic acid

1

4

Paraffin

3

4

Petrol

2

2

Petrol benzene mixture

80:20

5

5

Phenol

4

5

Phosphoric acid

20% aq. soln

1

1

Phosphoric acid

30% aq. soln

1

1

Phosphoric developers

30% aq. soln

1

1

Chemical

Concentration

Conditions

20°C

68°F

60°C

140°F

Photographic emulsions

1

1

Photographic fixing soln

1

1

Picric acid

1 w/w in water

1

1

Picric acid

10% w/w in alcohol

1

4

Potassium hydroxide

1 aq. soln

1

1

Potassium hydroxide

10% aq. soln

1

1

Potassium hydroxide

Conc. aq. soln

1

5

Potassium salts

1

1

Propane

2

2

Propylene dichloride

5

5

Salicylic acid

4

4

Sea water

1

1

Soap solution

1

4

Sodium hydroxide

1% aq. soln

1

4

Sodium hydroxide

10% aq. soln

1

3

Sodium hydroxide

40% aq. soln

1

5

Sodium hydroxide

Conc. aq. soln

1

5

Sodium hypochloride

15% act. cl.

1

3

Sodium salts

1

1

Sulphur dioxide

Dry

1

1

Sulphur dioxide

Moist

4

5

Sulphur dioxide

Liquid

4

5

Sulphuric acid

10%

1

1

Sulphuric acid

45%

1

1

Sulphuric acid

50%

1

3

Sulphuric acid

60%

3

3

Sulphuric acid

98%

5

5

Sulphuric acid

Fuming

5

5

Sulphurous acid

30%

1

4

Tallow

1

4

Tannic acid

1

4

Tanning extracts

1

4

Tartaric acids

1

4

Tetraethyl lead

1

4

Tetrahydrofuran

5

5

Tetralin

5

5

Toluene

5

5

Transformer oil

2

5

Trichloroethane

5

5

Triethanolamine

1

1

Trichloroethylene

5

5

Triethylamine

4