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 |