Lab20® Technical Specifications
| Table 1. List 1 (Test duration 16 hours) |
| Property |
Effect |
|
Property |
Effect |
|
Property |
Effect |
| Acetone |
None |
|
Lead Acetate |
None |
|
Sodium Bicarbonate |
None |
| Primary Alcohol |
None |
|
Lead Nitrate |
None |
|
Sodium Hydroxide* |
None |
| Secondary Alcohol |
None |
|
Lipstick |
Superficial |
|
Sodium Nitrate |
None |
| Tertiary Alcohol |
None |
|
Magnesium Carbonate |
None |
|
Sodium Sulphate |
None |
| Aluminium Sulphate |
None |
|
Magnesium Chloride |
None |
|
Soil |
Superficial |
| Amino Acetic Acid |
None |
|
Magnesium Sulphate |
None |
|
Soot |
Superficial |
| Ammonia |
None |
|
Mercury |
None |
|
Std Acetate Solvents |
None |
| Animal Fats |
None |
|
Menthol |
None |
|
Starch |
None |
| Benzene |
None |
|
Milk |
None |
|
Styrene |
None |
| Blood |
None |
|
Milk Sugar |
None |
|
Sulphur |
None |
| Caffeine |
None |
|
Mineral Oils |
None |
|
Talcum |
None |
| Calcium Carbonate |
None |
|
Mineral Salts |
None |
|
Tannin |
None |
| Calcium Chloride |
None |
|
Nail Polish |
Considerable |
|
Tea |
None |
| Calcium Hydroxide |
None |
|
Nail Polish remover |
None |
|
Toluene |
None |
| Calcium Nitrate |
None |
|
Nickel Sulphate |
None |
|
Urine† |
None |
| Cholesterol |
None |
|
Paraffin |
None |
|
Vaseline |
None |
| Chloroform |
Considerable |
|
Paraffin Oil |
None |
|
Vinegar |
None |
| Citric Acid |
None |
|
Petrol |
None |
|
Water |
None |
| Coffee |
None |
|
Potassium Aluminium Sulphate |
None |
|
Yeast |
None |
| Detergents |
None |
|
Potassium Bromide |
None |
|
|
|
| Ethanol |
None |
|
Potassium Carbonate |
None |
|
|
|
| Ether |
None |
|
Potassium Chloride |
None |
|
|
|
| Formaldehyde |
None |
|
Potassium Hexacyanoferrate |
None |
|
|
|
| Gelatine |
None |
|
Potassium Hydroxide |
None |
|
Table 2.List T (Test duration 15 minutes) |
| Glucose |
None |
|
Potassium Nitrate |
None |
|
Property |
Effect |
| Hydrogen Peroxide 3% |
None |
|
Potassium Sulphate |
None |
|
Phosphoric Acid * |
None |
| Ink |
Superficial |
|
Soap |
None |
|
Potassium Hydroxide* |
None |
| Ketones |
None |
|
Sodium Acetate |
None |
|
Silver Nitrate |
None |
| Lactic Acid |
None |
|
Sodium Carbonate |
None |
|
Sodium Hydroxide |
None |
| Lactose |
None |
|
Sodium Chloride |
None |
|
Sulphuric Acid* |
None |
* In concentrations of up to 10% † No definitive formula for urine depends on diet, health fluid intake etc. solution tested = Urea 10g/1000ml & Sodium Chloride 10g/1000ml
Expression of results
No Effect
No change visible at the first examination.
Superficial Effect
Stains or surface attack observed, but removed by mild abrasive cleaning and not visible at the final examination.
Considerable Effect
Stain or surface attack not removed by mild abrasive cleaning.
COMMENTS
A Considerable effect was caused by nail polish and chloroform.
The stain or surface attack could not be removed by mild abrasive cleaning.