pH value of paper (Q1749): Difference between revisions
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Tdkiv-admin (talk | contribs) (Created claim: created (P24): 2003-02-10, #quickstatements; #temporary_batch_1726125086899) |
Tdkiv-admin (talk | contribs) (Created claim: Wikidata identifier (P27): Q12330824, #quickstatements; #temporary_batch_1726138253180) |
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| Property / last updated in Aleph | |||
2003-12-12 (December 12th, 2003) | |||
| Property / last updated in Aleph: 2003-12-12 / rank(December 12th, 2003) | |||
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| Property / Wikidata identifier | |||
| Property / Wikidata identifier: Q12330824 / rank | |||
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Latest revision as of 12:37, 12 September 2024
concept
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | pH value of paper |
concept |
Statements
Záporný dekadický logaritmus koncentrace oxoniových kationtů. Vyjadřuje kyselost, alkalitu, popř. neutralitu papíru.
2 references
21-37
28-29
(v normě termín hodnota pH) Míra kyselosti nebo zásaditosti materiálu ve vodném roztoku. Pozn.: Hodnota pH je vyjádřena na logaritmické stupnicí od 0 do 14, kde 7,0 označuje neutrální stav, čísla vyšší než 7 označují zásaditost a nižší než 7 označují kyselost.
1 reference
000001746
0 references
2003-02-10
(February 10th, 2003)
(February 10th, 2003)
0 references
2003-12-12
(December 12th, 2003)
(December 12th, 2003)
0 references