| Abbreviations | |
| AOAC | Association of Official Analytical Chemists |
| APHA | American Public Health Association |
| ASTM | American Society for Testing and Materials |
| °C | Degrees Celsius (or Centigrade) |
| DOT | Department of Transportation |
| FDA | Food and Drug Administration |
| gal | Gallon |
| g | Gram |
| HMIS | Hazardous Material Identifiaction System |
| L | Liter |
| M | Molar |
| meq | Milliequivalent |
| mg | Milligram |
| mL | Milliliter |
| N | Normal |
| NFPA | National Fire Protection Association |
| NIST | National Institute of Standards and Technology |
| oz | Ounce (liquid) |
| ppb | Parts per Billion |
| ppm | Parts per Million |
| pt | Pint |
| Sp Gr | Specific Gravity |
| v/v | Volume/Total Volume |
| w/v | Weight/Total Volume |
| w/w | Weight/Total Weight |
| Purity Specifications | |
| ACS | American Chemical Society |
| CP | Chemically Pure, suitable for laboratory use |
| FCC | Food Chemical Codex (Food Grade) |
| HPLC | High Performance Liquid Chromatography |
| HRGC | High Resolution Gas Chromatography |
| NF | National Formulary |
| Practical | Relatively high grade with small amount of impurities |
| Purified | Chemicals of good quality where there are no official standards |
| SEMI | Semiconductor or Electronic Grade |
| Tech | Technical or commercial grade, mainly for industrial applications |
| USP | United States Pharmacopeia |