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- Universal_indicator abstract "A Universal indicator is a pH indicator composed of a solution of several compounds that exhibits several smooth colour changes over a pH value range from 1-14 to indicate the acidity or alkalinity of solutions. Although there are several commercially available universal pH indicators, most are a variation of a formula patented by Yamada in 1933. Details of this patent can be found in Chemical Abstracts. Experiments with Yamada's Universal Indicator are also described in the Journal of Chemical Education.A universal indicator is typically composed of water, propan-1-ol, phenolphthalein sodium salt, sodium hydroxide, methyl red, bromothymol blue monosodium salt, and thymol blue monosodium salt. The colours that indicate the pH of a solution, after adding a universal indicator are:The colours from yellow to red indicate an acidic solution, colours light blue to dark blue indicate bases and green colour that a solution is neutral.Wide range pH test papers with distinct colours for each pH from 1 to 14 are also available. Colour matching charts are supplied with the specific test strips purchased.".
- Universal_indicator thumbnail Universal_Indicator_test_for_a_Basic_solution.jpg?width=300.
- Universal_indicator wikiPageID "1365931".
- Universal_indicator wikiPageLength "4929".
- Universal_indicator wikiPageOutDegree "21".
- Universal_indicator wikiPageRevisionID "708253960".
- Universal_indicator wikiPageWikiLink 1-Propanol.
- Universal_indicator wikiPageWikiLink Acid.
- Universal_indicator wikiPageWikiLink Bromothymol_blue.
- Universal_indicator wikiPageWikiLink Category:PH_indicators.
- Universal_indicator wikiPageWikiLink Color.
- Universal_indicator wikiPageWikiLink Litmus.
- Universal_indicator wikiPageWikiLink Methyl_red.
- Universal_indicator wikiPageWikiLink PH.
- Universal_indicator wikiPageWikiLink PH_indicator.
- Universal_indicator wikiPageWikiLink Phenolphthalein.
- Universal_indicator wikiPageWikiLink Solution.
- Universal_indicator wikiPageWikiLink Thymol_blue.
- Universal_indicator wikiPageWikiLinkText "Universal indicator".
- Universal_indicator wikiPageWikiLinkText "universal indicator".
- Universal_indicator align "right".
- Universal_indicator caption "Colour Change of Universal Indicator after immersing into Basic NaOH solution.".
- Universal_indicator caption "Colour Change of Universal Indicator after immersing into a Neutral solution".
- Universal_indicator caption "Universal Indicator Test Kit".
- Universal_indicator image "Neutral Solution.jpg".
- Universal_indicator image "Universal Indicator Test Kit.jpg".
- Universal_indicator image "Universal Indicator test for a Basic solution.jpg".
- Universal_indicator wikiPageUsesTemplate Template:Multiple_image.
- Universal_indicator wikiPageUsesTemplate Template:Reflist.
- Universal_indicator subject Category:PH_indicators.
- Universal_indicator hypernym Indicator.
- Universal_indicator type ChemicalCompound.
- Universal_indicator type Redirect.
- Universal_indicator comment "A Universal indicator is a pH indicator composed of a solution of several compounds that exhibits several smooth colour changes over a pH value range from 1-14 to indicate the acidity or alkalinity of solutions. Although there are several commercially available universal pH indicators, most are a variation of a formula patented by Yamada in 1933. Details of this patent can be found in Chemical Abstracts.".
- Universal_indicator label "Universal indicator".
- Universal_indicator sameAs Q903137.
- Universal_indicator sameAs Rodier.
- Universal_indicator sameAs Universalindikator.
- Universal_indicator sameAs Γενικός_δείκτης_(χημεία).
- Universal_indicator sameAs Universaalindikaator.
- Universal_indicator sameAs Indicateur_universel.
- Universal_indicator sameAs Indikator_universal.
- Universal_indicator sameAs Indicatore_universale.
- Universal_indicator sameAs 万能指示薬.
- Universal_indicator sameAs Papierek_wskaźnikowy.
- Universal_indicator sameAs Indicador_universal.
- Universal_indicator sameAs m.04x1p7.
- Universal_indicator sameAs Universal_indicator.
- Universal_indicator sameAs Universell_indikator.
- Universal_indicator sameAs సార్వత్రిక_సూచిక.
- Universal_indicator sameAs Q903137.
- Universal_indicator sameAs 廣範試劑.
- Universal_indicator wasDerivedFrom Universal_indicator?oldid=708253960.
- Universal_indicator depiction Universal_Indicator_test_for_a_Basic_solution.jpg.
- Universal_indicator isPrimaryTopicOf Universal_indicator.