These red litmus paper test strips turn blue when dipped into alkaline/basic solutions and are perfect for introductory chemistry lessons related to acids and bases.
• Easy-to-use
• 100 strips per vial

Item 2091-02

$0.75

These pH test strips can be used to measure acidity or alkalinity of chemical solutions are perfect for introductory chemistry lessons related to acids and bases.
• Includes a color code key to determine pH from 1-14.
• 100 test trips per book
• Perforated for easy detachment

Item 2092-10

$0.60

• Best Seller

These aluminum rods can be used in chemical reactions in the chemistry classroom or laboratory.
• Length: 38 mm (1.5″)
• Sold in packs of 48

Item 6406-10

$4.25

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

Use the conductometer for demonstrating and testing heat conductivity in a variety of metals. Set includes five metal rods (aluminum, brass, iron, copper, and stainless steel) radially fitted on a brass disk. Excellent for lessons introducing the qualities of different elements as well as thermodynamics lessons.
of about 1″ (27 mm) Dia.
• Comes with a Teacher’s Guide
• Metal bars: 75 mm L x 5mm Dia. (3″ L x 0.19″ Dia.)
• Brass disk: 27 mm (1″) Dia.

Item 3223-00

$8.52

Use this Magnesium Ribbon for combustion experiments and to demonstrate the principles of chemical changes.
• Sold in a pack of approx. 31 g
• Flammable solid
• 0.03 mm (0.0012 in) thick

Item 2074-01

$2.75

This glass assembly replacement part is for use with the NEW Hoffman Electrolysis Apparatus (Item #3156-01).
• 50 ml side tubes graduated in 0.2 ml increments
• Includes 2 carbon electrodes, 2 platinum electrodes, rubber stoppers, and glass tubes

Item 3156-02

$67.15