87443-8

Hardness [Mass/volume] of Water by Calculation

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Term Description

Water hardness is the concentration of calcium and magnesium ions expressed as equivalents of calcium carbonate (CaCO3) and is calculated with the following formula:
CaCO3 = Ca(mg/L)×2.97 + Mg(mg/L)×4.118

LOINC Names Get Info

Fully-Specified Name: Hardness:MCnc:Pt:Water:Qn:Calculated
Long Common Name: Hardness [Mass/volume] of Water by Calculation
Short Name: Hardness Wat Calc-mCnc
Display Name: Hardness Calc (Water) [Mass/Vol]
Consumer Name Alpha Get Info: Hardness, Water

Part Model Get Info

Component
Hardness
LP248361-0
- Analyte
  Hardness
  LP248361-0
  - Component Numerator
    Hardness
    LP248361-0
    - Component Numerator Core
      Hardness
      LP248361-0
    - Component Numerator Core Suffix
      NULL
  - Component Denominator
    NULL
    - Component Denominator Core
      NULL
    - Component Denominator Core Suffix
      NULL
- Challenge
  NULL
- Adjustment
  NULL
- Count
  NULL
Property
MCnc
LP6827-2
Time
Pt
LP6960-1
- Time Core
  Pt
  LP6960-1
- Time Modifier
  NULL
System
Water
LP7719-0
- System Core
  Water
  LP7719-0
- Super System
  NULL
Scale
Qn
LP7753-9
Method
Calculated
LP6165-7

Basic Attributes

Class: SPEC
Type: Laboratory
First Released: Version 2.63
Last Updated: Version 2.63 (ADD)
Order vs. Observation: Both

Formula (Readable)

Water hardness(mg/L) = Ca(mg/L)×2.497 + Mg(mg/L)×4.118

Language Variants Get Info

Tag	Language	Translation
cs-CZ	Czech (Czechia)	Tvrdost:Hmotnostní koncentrace:Časový bod:Voda:Kvantitativní:Vypočteno
el-GR	Greek (Greece)	Σκληρότητα:MCnc:Pt:Νερό:Qn:Υπολογιζόμενο Synonyms: MCnc Pt Qn SPEC Νερό Σκληρότητα Υπολογιζόμενο
es-ES	Spanish (Spain)	Dureza:Concentración de masa:Punto temporal:Agua:Qn:Calculado Synonyms: Cuantitativo
es-MX	Spanish (Mexico)	Dureza:Concentración de masa:Punto temporal:Agua:Cuantitativo:Calculado
fr-FR	French (France)	Dureté:Masse/Volume:Ponctuel:Eau:Numérique:Résultat calculé
it-IT	Italian (Italy)	Durezza:MCnc:Pt:Acqua:Qn:Calcolato Synonyms: Caratteristiche campione Concentrazione di Massa Punto nel tempo (episodio)
zh-CN	Chinese (China)	水质硬度:质量浓度:时间点:水:定量型:计算法 Synonyms: H2O 可用数量表示的;定量性;数值型;数量型;连续数值型标尺时刻;随机;随意;瞬间标本;标本信息;标本类水平;浓度;质量浓度(单位体积) 硬度;Water Hardness 计算;计算型方法

Example Units

Unit	Source
mg/L	Example UCUM Units

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Copyright © Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. See https://loinc.org/license for the full LOINC copyright and license.