🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTürkçeРусскийالعربيةفارسیहिन्दी한국어中文日本語EntityQ300965· pop 34· linked from 232 articlespH meterinstrument that indicates acidity or alkalinity in water-based solutions, expressed as pHAvailable in 33 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةहिन्दीBahasa IndonesiaConnectionslaboratoryEntityelectric potentialEntityCategoriesAcid–base chemistryElectrochemistryMeasuring instrumentsScientific instruments