Chemistry with Vernier - Print and E-Book
CHF 120.20*
Contenuto:
1 Stück
tempi di consegna: generalmente circa 3 settimane
Codice prodotto:
CWV
Info sui prodotti "Chemistry with Vernier - Print and E-Book"
Chemistry with Vernier is the foundational chemistry book for high school and college courses.
Chemistry with Vernier has more than 36 experiments in thermochemistry, gas laws, acid-base reactions, equilibrium, electrochemistry, electrolytes, states of matter, and more. Experiments are included for the Gas Pressure Sensor, Temperature Probe, pH Sensor, Conductivity Probe, Colorimeter, and Voltage Probe.
If you teach Advanced Placement (AP), International Baccalaureate (IB), or college chemistry, you should also consider Advanced Chemistry with Vernier (CHEM-A) and Investigating Chemistry through Inquiry (CHEM-I).
| Bildungsstufe: | Scuola media, Scuole medie superiori e professionali |
|---|---|
| Fach: | Vernier, chimica |
| lingua: | inglese |
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Accessory Items
pH Sensor
CHF 254.80*
Utilizzate il sensore di pH proprio come fareste con un pHmetro tradizionale, con i vantaggi aggiuntivi della raccolta automatica dei dati, della creazione di grafici e dell'analisi dei dati.
Le attività tipiche che utilizzano il nostro sensore di pH includono:
Titolazioni acido-base
Studi sugli acidi e le basi per uso domestico
Monitoraggio delle variazioni di pH durante reazioni chimiche o in acquario come risultato della fotosintesi
Indagini sulle piogge acide e sui tamponi
Analisi della qualità delle acque di torrenti e laghi
Se state studiando tamponi Tris o semisolidi di questo tipo, prendete in considerazione il sensore di pH piatto Vernier Tris-Compatible.
Stainless Steel Temperature Probe
CHF 87.60*
The Stainless Steel Temperature Probe is a rugged, general-purpose temperature sensor that can be used in organic liquids, salt solutions, acids, and bases. Use it as you would use a thermometer for experiments in chemistry, physics, biology, Earth science, and environmental science.
Temperature range:–40 to 135°C (–40 to 275°F)
Typical Resolution:0.17°C (–40 to 0°C)0.03°C (0 to 40°C)0.1°C (40 to 100°C)0.25°C (100 to 135°C)
Accuracy:±0.2°C at 0°C±0.5°C at 100°C
User manual
Go Direct™ Temperature Sensor
CHF 161.00*
La sonda di temperatura Go Direct è un robusto sensore di temperatura per uso generale che gli studenti possono utilizzare per monitorare la temperatura. Si collega direttamente alla piattaforma in modalità wireless tramite Bluetooth® o via cavo tramite USB.
La sonda di temperatura Go Direct, robusta e multiuso, offre agli studenti il vantaggio della connettività ovunque e ovunque si lavori. Essendo anche impermeabile, Go Direct Temperature è più durevole dei sensori che sono semplicemente resistenti all'acqua.
A differenza di un termometro tradizionale, Go Direct Temperature consente agli studenti di raccogliere misure di temperatura in tempo reale di un singolo caso o di un periodo di tempo. L'intervallo di temperatura e la funzionalità wireless rendono Go Direct Temperature il sensore ideale per le applicazioni reali.
La sonda Go Direct Temperature può essere utilizzata in una varietà di esperimenti:
Condurre reazioni endotermiche ed esotermiche.
Studiare il congelamento e la fusione dell'acqua.
Misurare il contenuto energetico degli alimenti.
Esaminare l'assorbimento dell'energia radiante.
Monitorare le condizioni ambientali.
Specifiche tecniche:
Intervallo di temperatura: da -40 a 125°C
Intervallo di temperatura di manipolazione: da -10 a 45°C
Precisione: ±0,25°C
Tempo di risposta (tempo per il 90% della lettura): 20 secondi (in acqua, con agitazione)
Connessioni:
Senza fili: Bluetooth
Con cavo: USB
Incluso:
Sensore di temperatura Go Direct
Cavo micro USB
Guida rapida
Go Direct™ Conductivity Probe
CHF 295.60*
The Go Direct Conductivity Probe determines the ionic content of an aqueous solution by measuring its electrical conductivity. It directly connects wirelessly via Bluetooth® or wired via USB to your platform.
Go Direct Conductivity Probe determines the ionic content of an aqueous solution by measuring its electrical conductivity. It features a built-in temperature sensor to simultaneously read conductivity and temperature. Automatic temperature compensation allows students to calibrate the probe in the lab and then make measurements outdoors without temperature changes affecting data. This temperature compensation can be turned off to perform conductivity studies as a function of temperature.
The Go Direct Conductivity Probe has a range of 0 to 20,000 μS/cm to provide optimal precision in any given range. An alternating current at its electrodes prevents polarization and electrolysis, reducing contamination of solutions. Its ABS-body graphite electrode resists the corrosion typical in metal electrodes.
The Go Direct Conductivity Probe can be used in a variety of experiments:
Demonstrate diffusion of ions through membranes.
Investigate the difference between ionic and molecular compounds, strong and weak acids, or ionic compounds that yield different ratios of ions.
Measure Total Dissolved Solids (TDS).
Specifications:
Range: 0 to 20,000 μS/cm (0 to 10,000 mg/L TDS)
Temperature compensation: Automatic from 5 to 35°C, can be turned off
Temperature range (can be placed in): 0 to 80°C
Cell constant: 1.0 cm-1
Description: ABS body, parallel carbon (graphite) electrodes
Dimensions: 12 mm OD and 120 mm length
Connections:
Wireless: Bluetooth
Wired: USB
Included
Go Direct Conductivity Probe
Micro USB Cable
Go Direct™ Gas Pressure Sensor
CHF 242.60*
The Go Direct Gas Pressure Sensor measures the absolute pressure of a gas. It directly connects wirelessly via Bluetooth® or wired via USB to your platform.
Use Go Direct Gas Pressure Sensor to monitor gas pressure in a variety of experiments. It records accurate absolute pressure readings relative to the perfect vacuum reference point inside the sensor, allowing you to go below atmospheric pressure or up to 400 kPa. Easily change the displayed units to any one of seven options (kPa, mmHg, inHg, mbar, psi, atm, torr). Includes a syringe, tubing, and stoppers to ease setup for experiments such as Boyle’s law.
The Go Direct Gas Pressure Sensor can be used in a variety of experiments:
Investigate Boyle’s law and Charles’ law.
Investigate grip strength and muscle fatigue (using Gas Pressure Bulb, not included).
Measure the production of oxygen gas produced when hydrogen peroxide is destroyed by the enzyme catalase.
Monitor plant transpiration.
Specifications:
Range: 0 to 400 kPa
Resolution: 0.03 kPa
Maximum pressure that the sensor can tolerate without permanent damage: 450 kPa
Connections:
Wireless: Bluetooth
Wired: USB
Included:
Vernier Go Direct Gas Pressure Sensor
Tapered valve connectors (2) inserted into a No. 5 stopper
Tapered valve connector (1) inserted into a No. 1 stopper
Two-way valve
18 inch Tygon tubing with Luer Lock connectors
20 mL syringe
White transpiration tubing clamps (2)
Go Direct™ Voltage Probe
CHF 201.80*
The Go Direct Voltage Probe combines a wide input voltage range and high precision, making it an excellent choice for lab investigations of both AC/DC circuits and electromagnetism. Use this differential probe to measure the voltage in simple circuits, to study basic principles of electrochemical cells, or to investigate the resistivity of different metals.
With a range of ±15 V, this system is ideal for use in “battery and bulb” circuits. Go Direct Voltage is capable of kHz sampling and mV resolution, so you can also use it to capture more difficult electric potentials, such as the electromagnetic field induced in a coil by a moving magnet. This single sensor can take the place of several voltmeters in your classroom.
The Go Direct Voltage Probe can be used in a variety of experiments:
Measure potential difference at various places in series and parallel circuits.
Investigate Ohm’s law in simple circuits.
Measure the voltage across a capacitor in RC and RLC circuits.
Explore Faraday’s law and induced EMFs in a coil of wire.
Specification:
Input voltage range: ±15.0 V
Maximum voltage on any input: ±15 V
Typical resolution: 0.5 mV
Power: Internal rechargeable battery or USB connection
Connections:
Wireless: Bluetooth
Wired: USB
Included:
Go Direct Voltage Probe
Micro USB Cable
Gas Pressure Sensor
CHF 244.60*
Use the Gas Pressure Sensor to monitor pressure changes of a gas in chemistry and biology experiments.
The Gas Pressure Sensor can be used to monitor pressure changes in a gas. The range is wide enough to perform Boyle’s law yet it is sensitive enough to conduct vapor-pressure or pressure-temperature experiments. Biology teachers can use the Gas Pressure Sensor to monitor transpiration or respiration in an enclosed environment.
Pressure Range:0 to 210 kPa (0 to 2.1 atm or 0 to 1600 mm Hg)
Accuracy:±4 kPa
User manual
Voltage Probe
CHF 30.50*
This Voltage Probe can be used with the Vernier LabPro, LabQuest, LabQuest Mini, Go!Link, Easylink, SensorDAQ and CBL 2 to measure direct voltage.
The Voltage Probe is a bipolar sensor. The black lead is grounded along with the interface, and the sensor reports the potential difference between the red lead and ground. It can be used to measure the potential in DC or AC circuits. You might also consider the Differential Voltage Probe (DVP-BTA). Multiple Differential Voltage Probes can be connected to a circuit without the use of a common grounding terminal.
Input voltage range:± 10 V
User manual
Drop Counter
CHF 265.00*
Use the Drop Counter to perform accurate, automatic titrations. Record the number of drops or calibrate the drop size to record volume of titrant added during a titration.
The Drop Counter precisely records the number of drops of titrant added during a titration, which is automatically converted into volume. It may be used in conjunction with other sensors, such as a pH Sensor (PH-BTA), Conductivity Probe (CON-BTA), or ORP Sensor (ORP-BTD) to perform conductimetric or potentiometric titrations.
Adjustable clamp, fits most laboratory ring stands and lattices
Wide drop-detecting area
Large sensor slot, fits most conventional stick-style sensors
Smaller, adjustable slot for temperature sensors
Accurate drop counting at rates up to 6 drops/second
User manual
Go Direct™ SpectroVis® Plus Spectrophotometer
CHF 1’037.70*
Lo spettrofotometro Go Direct SpectroVis Plus misura rapidamente l'intera lunghezza d'onda. Si collega direttamente alla piattaforma in modalità wireless tramite Bluetooth® o cablato via USB.
Introducete i vostri studenti alla spettroscopia con l'economico spettrofotometro Go Direct SpectroVis Plus. In grado di collegarsi wireless o via USB, questo dispositivo può facilmente raccogliere l'intera lunghezza d'onda (assorbanza, trasmissione percentuale o intensità) in meno di un secondo. Una volta determinata la lunghezza d'onda di picco, è possibile stabilire la concentrazione di una soluzione (legge di Beer) o monitorare la velocità di reazione. Un percorso luminoso ridotto consente allo spettrofotometro Go Direct SpectroVis Plus di essere utilizzato per microlaboratori e applicazioni biochimiche con micro e semi-micro cuvette.
Lo spettrofotometro Go Direct SpectroVis Plus può essere utilizzato in diversi esperimenti di spettroscopia:
Determinare la lunghezza d'onda del picco per raccogliere dati sulla concentrazione della soluzione per studi sulla legge di Beer o per monitorare le velocità di reazione.
Raccogliere uno spettro a lunghezza d'onda completa per misurare l'assorbanza, la trasmittanza percentuale, la fluorescenza (a 405 nm o 500 nm di eccitazione) o le emissioni.
Condurre esperimenti di cinetica enzimatica.
Effettuare studi sull'equilibrio di assorbanza vs tempo o assorbanza vs concentrazione.
Effettuare biotest colorimetrici o fluorescenti.
Utilizzate lo spettrofotometro a fibra ottica (VSP-FIBER) per misurare le emissioni provenienti da prove alla fiamma o da altre sorgenti luminose. Per un'analisi più dettagliata delle emissioni, prendete in considerazione lo spettrometro Vernier Emissions (VSP-EM).
Spettroscopia con Go Direct SpectroVis Plus
Per utilizzare lo spettrofotometro Go Direct SpectroVis Plus, scarica l'app gratuita Spectral Analysis. L'app è compatibile con computer, Chromebook e dispositivi mobili. Gli studenti possono anche collegarsi a LabQuest 2 o a un computer con Logger Pro per effettuare analisi.
Specifiche
Intervallo di lunghezze d'onda: 380 nm–950 nm
Supporto per fluorescenza: due sorgenti di eccitazione centrate a 405 nm e 500 nm
Intervallo di lunghezza d'onda riportato: ~1 nm tra i valori riportati (raccoglie 570 valori)
Dimensioni: 16 cm x 10 cm x 5 cm
Sorgenti luminose: Lampadina bianca a incandescenza, durata di circa 8.000 ore, calibrazione in un solo passaggio. Basato su LED, durata di circa 100.000 ore. Nessuna alimentazione esterna è richiesta.
Go Direct™ Colorimeter
CHF 303.70*
The 4-wavelength Go Direct Colorimeter measures absorbance or transmittance of a liquid sample. It directly connects wirelessly via Bluetooth® or wired via USB to your platform.
Use this sensor to explore absorbance and percent transmittance in a variety of experiments including Beer’s law (absorbance vs. concentration) and kinetic studies (concentration vs. time). Students select between four wavelengths (430 nm, 470 nm, 565 nm, 635 nm) to set up their experiment.
Go Direct Colorimeter features one-step calibration for all four wavelengths. It’s as simple as inserting a cuvette of distilled water and pressing the Calibrate button.
Go Direct Colorimeter can be used in a variety of experiments:
Conduct Beer’s law investigations.
Determine the concentration of unknown solutions.
Study changes in concentration vs. time.
Monitor reaction rates.
Specifications
Range: 0 to 3 (absorbance)
Useful range:
0.05 to 1.0 (absorbance)
90% to 10% transmittance (%T)
Wavelengths: 430 nm, 470 nm, 565 nm, 635 nm
Connections:
Wireless: Bluetooth
Wired: USB
Included:
Go Direct Colorimeter
Micro USB Cable
3.5 mL cuvettes (15)
Go Direct™ Drop Counter
CHF 262.90*
The Go Direct Drop Counter precisely records the number of drops of titrant added during a titration and then automatically converts it to volume. It directly connects wirelessly via Bluetooth® or wired via USB to your platform.
Conducting a titration has never been easier. Use Go Direct Drop Counter in conjunction with our other Go Direct sensors, such as Go Direct pH, Go Direct Conductivity, or Go Direct ORP, to perform acid-base, conductometric, or potentiometric titrations.
Designed with a wide drop-detecting area, Go Direct Drop Counter removes the need for precise burette alignment. We’ve also included a large sensor slot for conventional stick-style sensors and a smaller, adjustable slot for temperature probes. The adjustable clamp easily fits our Stir Station and most laboratory ring stands and lattices.
Specifications:
Accurate drop counting at rates up to 6 drops/s
Dimensions:
Opening for drops: 3 cm
Openings for sensors (diameter): 7 mm and 13 mm
Ring stand opening: 16 mm
Total length: 15.5 cm, width: 4.5 cm, height: 1.8 cm
Distance from center of ring stand opening to center of drop opening (ideal): 10.5 cm
Distance from center of ring stand opening to center of sensor opening (ideal): 12 cm
Connections:
Wireless: Bluetooth
Wired: USB
Included
Go Direct Drop Counter
Plastic reagent reservoir
Plastic valve with a double stopcock fitting
Vernier Microstirrer
Micro USB Cable
Precision Volume Dispenser
CHF 201.80*
Il dosatore volumetrico di precisione offre un dosaggio altamente accurato e controllato delle gocce per titolazioni automatizzate. Se abbinato a un contagocce, migliora l'efficienza e la precisione, fornendo risultati costanti con errori ridotti rispetto ai metodi manuali. Ciò lo rende ideale per semplificare gli esperimenti di titolazione.
Go Direct™ pH Sensor
CHF 242.60*
The Go Direct pH Sensor is a general-purpose pH sensor used to monitor pH of aqueous solutions. It directly connects wirelessly via Bluetooth® or wired via USB to your platform.
The Go Direct pH Sensor is an important and versatile sensor for lab and field activities alike. It gives students the freedom to explore pH without the inconvenience of wires—no more spilled solutions or dangling wires. The Go Direct pH transmits live readings and captures data in real-time.
The Go Direct pH Sensor can be used in a variety of experiments:
Conduct acid-base titrations.
Monitor pH change during chemical reactions.
Test the pH and alkalinity of bodies of water.
Investigate household acids and bases.
This sensor is comprised of a pH electrode connected to a Go Direct Electrode Amplifier via a BNC connector. This design enables you to use the Go Direct Electrode Amplifier with other Vernier electrodes, such as the Flat pH Electrode, ORP Electrode, ISE electrode, or a third-party electrode.
Specification:
pH range: 0–14
Type: Sealed, gel-filled, epoxy body, Ag/AgCl reference
Shaft diameter: 12 mm OD
Storage solution: pH-4/KCl solution (10 g KCl in 100 mL buffer pH-4 solution)
Connections:
Wireless: Bluetooth
Wired: USB
Included:
Go Direct pH (includes Go Direct Electrode Amplifier)
Micro USB Cable
Quick-start guide
Go Direct® Glass-Body pH Sensor
CHF 344.50*
Description
This high-quality glass body pH sensor can be used in non-aqueous solutions and solutions that contain organic solvents, strong acids, or strong bases. The electrode features a sealed, gel-filled Ag-AgCl combination reference electrode and uses a BNC connector.
Specifications
pH range: 0–14
Type: Glass shaft, sealed combination electrode with Ag/AgCl reference
Temperature range: 0–80°C (readings not compensated)
Accuracy
±0.2 pH units (factory calibration)
±0.05 pH units (user calibration)
Response time:
2 s (to 90% of full reading in aqueous buffer)
5 s (to 90% of full reading in 50% acetonitrile)
Shaft diameter: 12 mm OD
Shaft material: glass
Colorimeter
CHF 305.80*
The Colorimeter is great for Beer’s law experiments, determining the concentration of unknown solutions, or studying changes in concentration vs. time.
This 4-wavelength Colorimeter measures the amount of light transmitted through a sample at a user-selectable wavelength in order to determine the concentration of a solution. Features such as automatic sensor identification and one-step calibration make this sensor easy to use.
Range:0 to 3 (absorbance)
Useful Range:0.05 to 1.0 (absorbance)90% to 10% transmittance (%T)
Wavelengths:430 nm, 470 nm, 565 nm, 635 nm
User manual
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