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Calcium Ion-Selective Electrode

Info sui prodotti "Calcium Ion-Selective Electrode"

Data from the Calcium ISE can give a good indication of hardness of water (as Ca2+). The concentration of Calcium is also used as an endpoint indicator in EDTA-Ca/Mg hardwater titrations.

The Calcium ISE has a combination-style, non-refillable, gel-filled electrode. Like all other PVC ISE membranes, the membrane on the ISE has a limited life expectancy. However, the replaceable module of ISE allows you to simply discard the used membrane module, and replace it with a new one.

Note: We recommend that you do not purchase ISE replacement modules too far in advance of their expected time of use as degradation occurs while they are stored on the shelf.

 

Important: Ion-Selective Electrodes require good chemical technique and careful calibration to obtain accurate results; they are not recommended for middle school or elementary students.

 

CA-BTA User manual

Bildungsstufe: Scuole medie superiori e professionali, Secundario II
DataLogger Schnittstellen: LabPro, LabQuest
Fach: biologia, chimica, qualità dell'acqua
Fachbereich: Biologie, Chemie

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Accessory Items

pH Buffer Capsules Kit
The pH Buffer Capsules Kit is a convenient set of three vials containing capsules to make pH 4, pH 7, and pH 10 buffer standards for calibrating pH sensors. Included with the set is one vial of Hydrion Color Key Buffer Preservative. Each vial contains 10 capsules, each of which produces 100 mL of solution when mixed with DI water. Add three drops of the buffer preservative to 100 mL of your buffer solution to prolong the shelf life. Hydrion Color Key Buffer Preservative is a combination mold inhibitor and universal indicator for color coding the buffer solutions: orange for pH 4, green for pH 7, and blue for pH 10. What’s included with the pH Buffer Capsule Kit: (10) pH 4 – Orange (10) pH 7 – Green (10) pH 10 – Blue Color Key Buffer Preservative Solution preparation instructions Safety Data Sheets

CHF 79.50*
ISE Calcium Low Standard
  The Low ISE standard is used to calibrate our Calcium Ion-Selective Electrode. This solution has a concentration of 10 mg/L.

CHF 59.10*
Water Quality with Vernier
Water Quality with Vernier has 18 water quality tests, including pH, total dissolved solids, dissolved oxygen, BOD, flow rate, turbidity, nitrates, and phosphates. All nine tests in the Water Quality Index (WQI) are supported. A comprehensive introduction is included for each test, providing important background information for the students. The printed version includes access to the electronic edition online.  

Da CHF 83.40*
Electrode Support
The Vernier Electrode Support connects to all standard ring-stand posts to keep sensors firmly in place during an experiment. The Electrode Support is a great complement to the Vernier Stir Station, as well as a perfect holder for many sensors. It is built to connect to all standard ring-stand posts; its large-handled locking nut keeps your sensors firmly in place. The larger opening (13 mm in diameter) is perfect for our pH, ISE, Conductivity and ORP sensors. The smaller opening (5 mm) is designed to hold our Stainless Steel Temperature Probe or the Vernier Go!Temp. The clamp end makes connecting to ring stands easy, accommodating post diameters between ~0.5 and 1 cm. The grooves on the Electrode Support to hold the wire leads for electroplating or electrolysis experiments.

CHF 20.30*
ISE Calcium High Standard
The High ISE standard is used to calibrate our Calcium Ion-Selective Electrode. This solution has a concentration of 1000 mg/L.

CHF 59.10*
ISE Calcium Replacement Module
This module replaces the electrode membrane. Simply unscrew the old one and screw on the new one. The membrane of an Ammonium ISE electrode has a limited life span of one to two years, regardless of frequency of use. Do not order it until you need it, as it will age even when not in use.

CHF 193.20*
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Potassium Ion-Selective Electrode
The Potassium Ion-Selective Electrode can be used to measure the concentration of potassium (K+) ions in aqueous solutions. The Potassium Ion-Selective Electrode makes the measure of potassium ions portable. When used with a Vernier LabQuest 2, the Potassium ISE can be used to take readings in the field – at lakes or streams. This sensor is easier to set up and use than other methods of measuring potassium ion concentration in aqueous solutions. Because it is a stick-style sensor, its use is similar to using a conductivity probe or a pH sensor in a laboratory setting or in the field. Ion-Selective Electrodes require good chemical technique and careful calibration to obtain accurate results. They are not recommended for middle school or elementary students. User manual

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Use the Ammonium ISE to measure levels of ammonium ions introduced from fertilizers. It can also indicate aqueous ammonia levels if sample solutions are acidified to convert NH3 to NH4+. The Ammonium ISE has a combination-style, non-refillable, gel-filled electrode. Like all other PVC ISE membranes, the membrane on the ISE has a limited life expectancy. However, the replaceable module of ISE allows you to simply discard the used membrane module, and replace it with a new one. Note: We recommend that you do not purchase ISE replacement modules too far in advance of their expected time of use as degradation occurs while they are stored on the shelf. Important: Ion-Selective Electrodes require good chemical technique and careful calibration to obtain accurate results; they are not recommended for middle school or elementary students.     Specifications: User manual

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Go Direct® Calcium Ion-Selective Electrode
I dati dell'Elettrodo Ion-Selettivo Go Direct Calcio possono fornire una buona indicazione della durezza dell'acqua (come Ca2+). La concentrazione di calcio viene utilizzata anche come indicatore finale nelle titolazioni EDTA-Ca/Mg di acqua dura. Il versatile connettore BNC consente agli studenti di sostituire facilmente l'elettrodo quando scade o si danneggia. Basta sostituire l'elettrodo e non l'intero sensore, riducendo così i costi complessivi dell'attrezzatura. L'elettrodo selettivo a ioni di calcio Go Direct ha uno stile combinato, non ricaricabile, pieno di gel. Come tutte le altre membrane in PVC ISE, la membrana sull'ISE ha un'aspettativa di vita limitata. Tuttavia, il modulo sostituibile di ISE consente di scartare semplicemente il modulo di membrana usato e sostituirlo con uno nuovo. Batteria ricaricabile - Pronto quando sei La robusta batteria ricaricabile offre una lunga durata e un funzionamento sempre pronto quando si utilizza il sensore in modalità wireless. Monitora la durata della batteria direttamente dalla nostra pluripremiata app Vernier Graphical Analysis® e da LabQuest® 3. Se la batteria si scarica, basta collegare il sensore al cavo di ricarica e continuare a raccogliere, senza interruzioni o inconvenienti per voi o per i vostri studenti. Wireless o cablato: la flessibilità di scelta I sensori Go Direct si collegano direttamente al dispositivo mobile, al Chromebook™ o al computer utilizzando l'app Vernier Graphical Analysis®, senza necessità di acquistare apparecchiature o software aggiuntivi. I sensori Go Direct possono essere utilizzati via cavo tramite USB o wireless tramite la tecnologia wireless Bluetooth®, consentendo di scegliere la soluzione migliore per la vostra classe o laboratorio. Nota: Si consiglia di non acquistare i moduli di ricambio ISE troppo in anticipo rispetto al tempo di utilizzo previsto, in quanto la degradazione si verifica mentre sono immagazzinati sullo scaffale.Importante: Gli elettrodi ionoselettivi richiedono una buona tecnica chimica e un'attenta calibrazione per ottenere risultati accurati; non sono raccomandati per gli studenti delle scuole medie o elementari.

CHF 711.50*
Chloride Ion-Selective Electrode
The concentration of the Chloride ion gives a quick measurement of salinity of water samples. Use the Chloride ISE to measure chloride levels in ocean saltwater or salt in food samples. The Chloride ISE has a combination-style, non-refillable, gel-filled electrode. Unlike other ISEs available from Vernier, the Chloride ISE has a solid-state membrane that does not need to be replaced.   Important: Ion-Selective Electrodes require good chemical technique and careful calibration to obtain accurate results; they are not recommended for middle school or elementary students.   CL-BTA User manual

CHF 672.70*