Concentration units

Units for describing substance concentrations.

Table 166 Unit definition for Concentration units.
Name Short name Aliases

kilogram/kilogram

kg/kg

kg/kg, kilogram/kilogram, kilogram/kg, 0, G063A

gram/kilogram

g/kg

g/kg, gram/kilogram, gram/kg, gr/kg, -3, G015A, G060A, G191A

milligram/kilogram

mg/kg

mg/kg, milligram/kilogram, milligram/kg, milligr/kg, -6, G049A, G061A

microgram/kilogram

µg/kg

µg/kg, ug/kg, microgram/kilogram, microgram/kg, microgr/kg, -9, G050A, G076A

nanogram/kilogram

ng/kg

ng/kg, nanogram/kilogram, nanogram/kg, nanogr/kg, -12, G077A, G080A

picogram/kilogram

pg/kg

pg/kg, picogram/kilogram, picogram/kg, picogr/kg, -15, G081A

kilogram/liter

kg/L

kg/l, kg/L, kilogram/liter, kilogram/litre, G017A

gram/liter

g/L

g/l, g/L, gram/liter, gram/litre, gr/l, gr/L, G016A

milligram/liter

mg/L

mg/l, mg/L, milligram/liter, milligram/litre, milligr/l, milligr/L, G052A, G062A

microgram/liter

µg/L

µg/l, ug/L, microgram/liter, microgram/litre, microgr/l, microgr/L, G051A, G079A

nanogram/liter

ng/L

ng/l, ng/L, nanogram/liter, nanogram/litre, nanogr/l, nanogr/L, G078A

picogram/liter

pg/L

pg/l, pg/L, picogram/liter, picogram/litre, picogr/l, picogr/L

microgram/milliliter

µg/mL

µg/ml, ug/mL, microgram/milliliter, microgram/millilitre, microgr/ml, microgr/mL

nanogram/milliliter

ng/mL

ng/ml, ng/mL, nanogram/milliliter, nanogram/millilitre, nanogr/ml, nanogr/mL