water hardness

degree of mineralisation (content of multivalent cations) of water
Thing physical_property Q192905
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water hardness

Summary

water hardness is a physical property[1]. It draws 31 Wikipedia views per month (physical_property category, ranking #31 of 43).[2]

Key Facts

  • water hardness's image is recorded as Complexometric titration.jpg[3].
  • water hardness's instance of is recorded as physical property[4].
  • water hardness's GND ID is recorded as 4471464-6[5].
  • water hardness's Library of Congress authority ID is recorded as sh85145460[6].
  • water hardness's Bibliothèque nationale de France ID is recorded as 11947071w[7].
  • water hardness's subclass of is recorded as physical quantity[8].
  • water hardness's BNCF Thesaurus ID is recorded as 34288[9].
  • water hardness's has part is recorded as carbonate hardness[10].
  • water hardness's Freebase ID is recorded as /m/024lhz[11].
  • water hardness's Dewey Decimal Classification is recorded as 628.161[12].
  • water hardness's PSH ID is recorded as 5665[13].
  • water hardness's OmegaWiki Defined Meaning is recorded as 4086[14].
  • water hardness's facet of is recorded as hard water[15].
  • water hardness's Gran Enciclopèdia Catalana ID is recorded as 0177180[16].
  • water hardness's Encyclopædia Britannica Online ID is recorded as topic/hardness-water-quality[17].
  • water hardness's Google Knowledge Graph ID is recorded as /g/1q6hz0vch[18].
  • water hardness's JSTOR topic ID is recorded as water-hardness[19].
  • water hardness's ISQ dimension is recorded as \text{[L]}^{-3} \cdot \text{[N]}[20].
  • water hardness's Great Norwegian Encyclopedia ID is recorded as hardhet[21].
  • water hardness's National Library of Israel J9U ID is recorded as 987007551105805171[22].
  • water hardness's DeCS ID is recorded as 25707[23].
  • water hardness's Great Russian Encyclopedia portal ID is recorded as zhiostkost-vody-6782fe[24].
  • water hardness's Gran Enciclopèdia Catalana ID is recorded as duresa-de-laigua[25].
  • water hardness's Yale LUX ID is recorded as concept/95a857dd-0d08-4c4c-8c3a-ad956adfcb86[26].

Why It Matters

water hardness draws 31 Wikipedia views per month (physical_property category, ranking #31 of 43).[2] It has Wikipedia articles in 19 language editions, a strong signal of global cultural recognition.[27] It is known by 43 alternative names across languages and contexts.[28]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . Nuovo soggettario. Retrieved . thes.bncf.firenze.sbn.it. Provenance: wikidata.org.
  5. [7] . Library of Congress. Retrieved . id.loc.gov. Provenance: wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . Nuovo soggettario. wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . Integrated Authority File. Retrieved . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . National Library of Israel Names and Subjects Authority File. wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [27] . Wikidata sitelinks. wikidata.org.
  3. [28] . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). water hardness. Retrieved May 3, 2026, from https://4ort.xyz/entity/water-hardness
MLA “water hardness.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/water-hardness.
BibTeX @misc{4ortxyz_water-hardness_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{water hardness}}, year = {2026}, url = {https://4ort.xyz/entity/water-hardness}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): water hardness — https://4ort.xyz/entity/water-hardness (retrieved 2026-05-03)

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