Beschrijving
Zwavelzuur 3 mol/l - 6 N volumetrische oplossing is een gebruiksklare titrant voor kwantitatieve analytische chemie, gebaseerd op de brutoformule H₂SO₄ (CAS-nummer 7664-93-9). De molaire massa is 98,08 g/mol en de dichtheid is 1,177 g/cm³. Geleverd in een kunststof verpakking van 1 l, is deze gestandaardiseerde oplossing bedoeld voor zuur-basetitraties, op normaliteit gebaseerd volumetrisch werk en aanverwante laboratoriumprocedures die een gedefinieerde 6 N zwavelzuurconcentratie vereisen. Het reagens van fabrikant Carl ROTH draagt EG-nummer 231-639-5 en VN-nummer 2796. Volumetrische standaardoplossingen van dit type worden routinematig toegepast in kwaliteitscontrolelaboratoria, onderwijslaboratoria en industriële procesbewaking waar een nauwkeurige zuursterkte cruciaal is voor reproduceerbare eindpunten. De kunststof verpakking ondersteunt het praktische gebruik van de corrosieve vloeistof tijdens dagelijks gebruik. Met een duidelijk gespecificeerde molariteit van 3 mol/l maakt het product consistente titratieprestaties en betrouwbare analytische resultaten mogelijk bij herhaalde bepalingen in de klassieke natchemische analyse.
Dit artikel hoort bij pH-elektroden & sensoren, in pH & elektrochemie.
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Zwavelzuuroplossing, 3 mol/l - 6 N, 1 l, kunststof is the article on this page. Luminix Health distributes Carl Roth for laboratory use. It sits in pH electrodes & sensors, inside pH & electrochemistry, 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 & electrochemistry. The sub-category is pH electrodes & sensors. The catalogue is Instrumenten.
Shelves beside this one are pH meters, Conductivity meters & cells, Dissolved oxygen & multiparameter meters, Titrators & electrochemistry systems and pH & electrochemistry accessories.
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