Class: Quantity

A physical quantity with a value, unit, and optional uncertainty.

URI: https://echemdb.github.io/metadata-schema/minimum_echemdb/Quantity

         classDiagram
    class Quantity
    click Quantity href "../Quantity/"
      Quantity : calculation
        
      Quantity : comment
        
      Quantity : uncertainty
        
          
    
        
        
        Quantity --> "0..1" Uncertainty : uncertainty
        click Uncertainty href "../Uncertainty/"
    

        
      Quantity : unit
        
      Quantity : value

Slots

Name	Cardinality and Range	Description	Examples
value	0..1 Float	Numerical value of the quantity	`0.5`
unit	0..1 String	Unit of measurement following astropy’s string notation (e	`mol / l`, `V`, `mA / cm2`
uncertainty	0..1 Uncertainty	Uncertainty information for a measured quantity
comment	0..1 String	Additional notes about the measurement or quantity	`Measured at room temperature`
calculation	0..1 String	Method or formula used to calculate this quantity	`Obtained by multiplying U and I`

Usages

used by	used in	type	used
Purity	totalOrganicCarbon	range	Quantity
Purity	totalIonConductivity	range	Quantity
Electrode	geometricElectrolyteContactArea	range	Quantity
Shape	height	range	Quantity
Shape	diameter	range	Quantity
Shape	length	range	Quantity
Component	concentration	range	Quantity
Component	partialPressure	range	Quantity
Component	proportion	range	Quantity
Component	flow	range	Quantity
Component	pressure	range	Quantity
Electrolyte	ph	range	Quantity
Electrolyte	temperature	range	Quantity
Atmosphere	totalOrganicCarbon	range	Quantity
FigureDescription	scanRate	range	Quantity

Identifier and Mapping Information

Schema Source

from schema: https://echemdb.github.io/metadata-schema/minimum_echemdb

Mappings

Mapping Type	Mapped Value
self	https://echemdb.github.io/metadata-schema/minimum_echemdb/Quantity
native	https://echemdb.github.io/metadata-schema/minimum_echemdb/Quantity

LinkML Source

Direct

```yaml name: Quantity description: A physical quantity with a value, unit, and optional uncertainty. from_schema: https://echemdb.github.io/metadata-schema/minimum_echemdb attributes: value: name: value description: Numerical value of the quantity. examples: - value: '0.5' from_schema: https://echemdb.github.io/metadata-schema/general/quantity rank: 1000 domain_of: - Quantity - Uncertainty - Purity range: float unit: name: unit description: Unit of measurement following astropy's string notation (e.g., 'mol / l', 'V', 'mA / cm2'). Use an empty string for dimensionless quantities. examples: - value: mol / l - value: V - value: mA / cm2 from_schema: https://echemdb.github.io/metadata-schema/general/quantity rank: 1000 domain_of: - Quantity - Uncertainty - Purity - DataField range: string uncertainty: name: uncertainty description: Uncertainty information for a measured quantity. from_schema: https://echemdb.github.io/metadata-schema/general/quantity rank: 1000 domain_of: - Quantity range: Uncertainty inlined: true comment: name: comment description: Additional notes about the measurement or quantity. examples: - value: Measured at room temperature from_schema: https://echemdb.github.io/metadata-schema/general/quantity rank: 1000 domain_of: - Quantity - Uncertainty - Component - Electrolyte - ElectrolyteContainerComponent - Atmosphere - Source - FigureDescription range: string calculation: name: calculation description: Method or formula used to calculate this quantity. examples: - value: Obtained by multiplying U and I from_schema: https://echemdb.github.io/metadata-schema/general/quantity rank: 1000 domain_of: - Quantity range: string

</details>

### Induced

<details>
```yaml
name: Quantity
description: A physical quantity with a value, unit, and optional uncertainty.
from_schema: https://echemdb.github.io/metadata-schema/minimum_echemdb
attributes:
  value:
    name: value
    description: Numerical value of the quantity.
    examples:
    - value: '0.5'
    from_schema: https://echemdb.github.io/metadata-schema/general/quantity
    rank: 1000
    alias: value
    owner: Quantity
    domain_of:
    - Quantity
    - Uncertainty
    - Purity
    range: float
  unit:
    name: unit
    description: Unit of measurement following astropy's string notation (e.g., 'mol
      / l', 'V', 'mA / cm2'). Use an empty string for dimensionless quantities.
    examples:
    - value: mol / l
    - value: V
    - value: mA / cm2
    from_schema: https://echemdb.github.io/metadata-schema/general/quantity
    rank: 1000
    alias: unit
    owner: Quantity
    domain_of:
    - Quantity
    - Uncertainty
    - Purity
    - DataField
    range: string
  uncertainty:
    name: uncertainty
    description: Uncertainty information for a measured quantity.
    from_schema: https://echemdb.github.io/metadata-schema/general/quantity
    rank: 1000
    alias: uncertainty
    owner: Quantity
    domain_of:
    - Quantity
    range: Uncertainty
    inlined: true
  comment:
    name: comment
    description: Additional notes about the measurement or quantity.
    examples:
    - value: Measured at room temperature
    from_schema: https://echemdb.github.io/metadata-schema/general/quantity
    rank: 1000
    alias: comment
    owner: Quantity
    domain_of:
    - Quantity
    - Uncertainty
    - Component
    - Electrolyte
    - ElectrolyteContainerComponent
    - Atmosphere
    - Source
    - FigureDescription
    range: string
  calculation:
    name: calculation
    description: Method or formula used to calculate this quantity.
    examples:
    - value: Obtained by multiplying U and I
    from_schema: https://echemdb.github.io/metadata-schema/general/quantity
    rank: 1000
    alias: calculation
    owner: Quantity
    domain_of:
    - Quantity
    range: string