Class

UnitConcentrationMass

A unit of measure for concentration of mass.

Declaration

class UnitConcentrationMass : Dimension

Overview

You typically use instances of NSUnitConcentrationMass to represent specific quantities of concentration using the NSMeasurement class.

Concentration of Mass

Concentration is the abundance of a constituent within a volume. Concentration can be expressed by SI derived units in terms of kilograms per cubic meter (kg/m3).

The NSUnitConcentrationMass class defines its base unit as gramsPerLiter, and provides the following units, which are initialized using UnitConverterLinear converters with the specified coefficients:

Name

Method

Symbol

Coefficient

Grams Per Liter

gramsPerLiter

g/L

1

Milligrams Per Deciliter

milligramsPerDeciliter

mg/dL

0.01

Millimoles Per Liter

millimolesPerLiter(withGramsPerMole:)

mmol/L

18 * gramsPerMole

Topics

Accessing Predefined Units

class var gramsPerLiter: UnitConcentrationMass

Returns the grams per liter unit of concentration.

class var milligramsPerDeciliter: UnitConcentrationMass

Returns the milligrams per deciliter unit of concentration.

class func millimolesPerLiter(withGramsPerMole: Double) -> UnitConcentrationMass

Returns the millmoles per liter unit with the specified number of grams per mole.

Relationships

Inherits From

See Also

Concentration and Dispersion

class UnitDispersion

A unit of measure for an amount-of-substance fraction.