6.3.3 Syntax Reference Identifier

Table 40 defines the identifiers for each Syntax Reference.

Table 40 – List of Syntax Reference Identifiers
Common Name Identifier
UCUM

QuantityType instances:

The UCUM Syntax ReferenceID for quantities shall include the prefix “quantityKind:” followed by the name of the quantity.

UnitType instances:

The UCUM SyntaxReferenceId for units shall include an expression based on the UCUM syntax making use of the symbols named in the “C/S” entry of the UCUM spec (https://ucum.org/ucum.html).

Codes (expressions) for common units are defined in Annex B.

QUDT

QuantityType instances:

The QUDT Syntax ReferenceID for quantities shall include the prefix “quantityKind:” followed by the name of the quantity as in https://www.qudt.org/doc/DOC_VOCAB-QUANTITY-KINDS.html.

Example quantities are in C.2.

UnitType instances:

The QUDT Syntax ReferenceID for units shall include the prefix “unit:” followed by the name of the unit as in https://www.qudt.org/doc/DOC_VOCAB-UNITS.html.

Example units are in C.2.

IEC CDD

QuantityType instances:

The IEC CDD SyntaxReferenceId shall include the IRDI of the respective quantity.

Example quantities are in C.4.

UnitType instances:

The IEC CDD SyntaxReferenceId shall include the IRDI of the respective unit.

Example units are in C.4.

UNECE

QuantityType instances:

There are no UNECE Syntax References for quantities.

UnitType instances:

The UNECE SyntaxReferenceId shall include the common code from “Codes for Units of Measurement” published by the “United Nations Centre for Trade Facilitation and Electronic Business” (see UNECE).

Example units are in C.3.

LATEX_SIUNITX

QuantityType instances:

There are no LATEX_SIUNITX Syntax References for quantities.

UnitType instances:

The LATEX_SIUNITX SyntaxReferenceId shall include the leading slash, the keyword of the macro as well as the entire argument.

Example units are in C.5.