Beschrijving
Lakmoespapieren in navulverpakkingsformaat bieden een klassiek, snel middel om het zuur-basekarakter aan te geven in laboratorium- en onderwijsomgevingen. Deze blauwe lakmoesrollen reageren in het bereik pH 8 tot 5 en verkleuren wanneer het monster verschuift van alkalisch naar zure omstandigheden. Elke rol is 5 m lang en 10 mm breed, zodat stroken op de benodigde lengte kunnen worden geknipt voor vlekproeven, titratiecontroles of kwalitatieve screening. De verpakking bevat drie rollen, ideaal voor het aanvullen van dispensers of gedeelde werkplekken. Vervaardigd door MACHEREY-NAGEL zijn de papieren geschikt voor routinematige pH-indicatie waar instrumentmeting niet nodig of niet beschikbaar is. Blauw lakmoes wordt veel gebruikt in chemiepractica, kwaliteitscontrole-steekproeven en veldmonstername om zure oplossingen te onderscheiden van neutrale of alkalische oplossingen. Het smalle rolformaat beperkt verspilling en houdt indicatorpapier gereed voor onmiddellijk gebruik in natte-labworkflows.
Dit artikel maakt deel uit van pH-elektroden & sensoren, in pH & elektrochemie.
Kenmerken
- Verpakkingsgrootte: 3 rollen
- Type: blauw lakmoespapier
- pH-bereik: 8–5
- Rollengte: 5 m
- Breedte: 10 mm
- Veiligheidsinformatieblad:
- Veiligheidsinformatieblad:
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Questions about Lakmoespapieren, navulverpakkingen, rollen van 5 m, W 10 mm, blauw pH 8 - 5, 3 rol(len)
What is this article?
Lakmoespapieren, navulverpakkingen, rollen van 5 m, W 10 mm, blauw pH 8 - 5, 3 rol(len) is the article on this page. Luminix Health distributes Macherey-Nagel for laboratory use. It sits in pH-elektroden & sensoren, inside pH & elektrochemie, in Instrumenten.
A pH electrode is a glass membrane and a reference. It is a consumable: the glass ages, the junction clogs, and the reading drifts. A refillable electrode and a gel electrode differ in how they are maintained. The connector has to match the meter. The electrode, not the meter, is usually what is wrong.
A pH meter is a voltmeter on a glass electrode. The voltage tracks hydrogen-ion activity, and the electrode is converted to pH only after it is adjusted with buffers of known value. Conductivity measures how well a solution carries a current, which for dilute salts tracks concentration. Dissolved oxygen and titration are further electrodes on the same idea: a sensor, a standard, and a reading that is only as fresh as the calibration. Buffer values and chemical identity sit on PubChem. Accreditation of the calibration laboratory is the field of BELAC and EURAMET.
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The category is pH & elektrochemie. The sub-category is pH-elektroden & sensoren. The catalogue is Instrumenten.
Shelves beside this one are pH-meters, Geleidbaarheidsmeters & cellen, Opgeloste zuurstof- & multiparametermeters, Titreerapparaten & elektrochemiesystemen and pH & elektrochemieaccessoires.
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