Use This Apparatus For Qualitative And Quantitative Study Of The Electrolytic Decomposition Of Electrolytes Such As Water, Hydrochloric Acid, Etc. It Consists Of 2 Vertical, 50 ml, Gas-Collecting, Graduated Glass Tubes With Stopcocks At Top. The Tubes Are Joined To A Reservoir By A Bridging Tube And Fitted With A Pair Of Platinum Electrodes At Their Lower Ends. A Lead Wire Connecting The Platinum Electrode Passes Through The Glass Tube For External Connections, So That Only The Platinum Electrode Comes In Contact With The Electrolyte.
• Comes With A Teacher’S Guide And Reproducible Student Handout
• packed In A Styrofoam Case
• Mounted On A Cast Iron Stand
• Requires A 6 V Battery Or Low Voltage Dc Power Supply For Operation (Not Included)

Item 3155-01

$71.25

• Teacher's Guide Included
• Handout Included

New Hoffman Electrolysis Apparatus

Item 3156-01

$87.50

This Kit Helps Students Understand How Dew And Frost Are Formed. They Will Also Understand Concepts Of Condensation, Dew Point, Evaporation, Humidity, And Sublimation. Making Dew Classroom pack Contains Materials For 15 Pairs Of Students.
• Comes With A Teacher’S Guide
Includes:
• 15 METAl Cans
• 15 METAl Backed Thermometers

Item 9447-15

$24.31

• AmSci Exclusive

This conductivity meter can be used to compare the conductivity of different solutions and solids. Touch the probes to the object or dip into a solution, press the button, and observe the results on an LED screen. The meter measures conductivity on a scale from 1 (low) to 10 (high). The conductivity tester be used in lessons on electricity or for comparing the properties of different elements.
• Stainless steel probes: 14cm L x 1.75 cm thick (5-1-2″ L x 11/16″ thick)
• Batteries included

Item 3224-02

$20.00

The Sixteen Piece Starter Chemistry Kit was specifically designed with safety and fun in mind and is perfect for elementary classrooms, home school science lessons, and young science enthusiasts. The kit and included activity guide encourage exploration of multiple chemistry and physics concepts, including density, chemical reactions, heat transfer, molecular bonds, capillary action, and more. Suggested experiments require little more than common household items, such as sugar, water, or food coloring. All kit materials are washable and reusable.

Item 8820-00

$55.00

• Video Available

This molecular model set can be used to visualize a variety of molecules and molecular reactions. The hands-on modeling makes chemistry more concrete and approachable for students.

Item 1540-20

$19.09

These platinum electrodes were designed as replacement parts for the Hoffman Electrolysis Apparatus.
• For use with Items #3155-01 and 3155-02
• Includes platinum electrodes and lead wires, glass tubes and stoppers
• Sold as a set of 2

Item 3155-04

$23.75

These carbon electrodes were designed as replacement parts for the Hoffman Electrolysis Apparatus.
• For use with Items #3155-01 and 3155-02
• Includes carbon electrodes and insulated lead wires and stoppers
• Sold as a set of 2

Item 3155-05

$3.18

This product is a replacement part for Boyle’s Law Apparatus (Item #3548-11).

Item 3548-12

$5.00

This manometer is used to accurately measures gas pressure and can be used in lessons about fluid mechanics as well as gas pressure.
• Borosilicate
• 50 cm (19.7″) arm
• Funnel top
• 26 cm (10.25″) arm with riffle
• Mounted on wooden board

Item 3542-00

$15.53

Use this replacement tube with the Open Manometer.
• Borosilicate
• 50 cm (19.7″) arm
• Funnel top

Item 3542-11

$6.25

This apparatus can be used to demonstrate Pascal’s Law that that liquid pressure is transmitted equally in all directions. Fill it with water, push the piston, and watch the water squirt out every hole equally.
• Borosilicate glass bulb: 50 mm (2″) Dia. with holes
• Total Unit: Approx. 250 mm (10″) H

Item 3544-00

$4.75

• AmSci Exclusive

This apparatus can be used to illustrate Boyle’s Law, demonstrating the relationship between pressure and volume.

Item 3548-11

$8.38

This set consists of 4 glass capillary tubes of different inner diameters rising up from a larger tube reservoir. Use this set-up to demonstrate and help students draw conclusions about capillary action.
• Comes with a Teacher’s Guide
• Comes mounted on a its own stand
• Tubes approx. 150 mm (6″) H

Item 3447-00

$5.00

• Teacher's Guide Included
• Handout Included

This steam trap is a standard item for use in glassware set-ups to discharge condensates and non-condensable gases.

Item 3219-00

$1.75