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Wide Range pH Test Papers (1 vial)
Wide Range pH Test Papers (1 vial)
46809

1-14 Paper strips, change for each full pH unit,100 strips per vial.
1-14 Paper strips, change for each full pH unit,100 strips per vial.

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$1.56 Each $1.95 Each
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Crucible Tongs
Crucible Tongs
47589

Riveted joint. Nickel plated. 9 inches long. Also for test tubes and vials.
Riveted joint. Nickel plated. 9 inches long. Also for test tubes and vials.

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$5 Each $6.25 Each
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Color Coded Spring ScaleColor Coded Spring Scale
Color Coded Spring Scale
13382

Color-coded spring scale that can be used for both force and mass measurements. Each scale is calibrated in both Newtons and grams. The top is flat on one side so that the scale can be used with an inclined plane. The scale incorporates a unique zero adjustment. The main feature is the clear plastic tube, which allows students to see the action of the spring.

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$1.56 Each $1.95 Each
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Dropping Pipets - Dozen
Dropping Pipets - Dozen
15098

3" glass pipet with rubber bulb, straight.

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$2.12 Dozen $2.65 Dozen
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Thermometer Clamp
Thermometer Clamp
11918

Adjustable 360 degrees jaw rotation. For attaching up to 1/2" diameter rods. Aluminum muff with steel thumbscrew.
Thermometer Clamp features an adjustable 360 degree rotating jaw for suspending thermometers. The clamp attaches to rods up to 13mm (1/2") O.D.

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$5.68 Each $7.10 Each
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All-Purpose Plastic Apron - Child (24" x 30")
All-Purpose Plastic Apron - Child (24" x 30")
14567

For efficiency and cleanliness. Reinforced at points of strain (6 mil). Quality tapes at waist and neck.
This 24 inch x 30 inch child size apron is for efficiency and cleanliness. Reinforced at points of strain (6 mil). Quality tapes at waist and neck.

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$3.96 Each $4.95 Each
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Black Rubberized Apron
Black Rubberized Apron
14566

Acid resisting sheeting, very flexible and lightweight. Accepted as a standard lab apron for years. Cut to provide ample comfort and protection from laboratory reagents. Reinforced at points of strain. Cotton tapes at waist and neck. 27" x 36".
Acid resisting sheeting, very flexible and lightweight. Accepted as a standard lab apron for years. Cut to provide ample comfort and protection from laboratory reagents. Reinforced at points of strain. Cotton tapes at waist and neck. 27" x 36".

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$5.56 Each $6.95 Each
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Barnes Dropping Bottle
Barnes Dropping Bottle
47767

Flint Glass. Standard 30ml (1 oz) square bottle with dropper and rubber bulb forming tight stopper.

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$1.24 Each $1.55 Each
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Standard Measuring Cups (Set of 5)
Standard Measuring Cups (Set of 5)
15709

Made of durable plastic, each piece is clearly marked to provide years of use. Set includes: Standard Cups: 1/4, 1/3, 1/2, 1.
Made of durable plastic, each piece is clearly marked to provide years of use. Set includes: Standard Cups: 1/4, 1/3, 1/2, 1.

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$2.60 Set $3.25 Set
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Polypropylene Policeman Spatulas - DozenPolypropylene Policeman Spatulas - Dozen
Polypropylene Policeman Spatulas - Dozen
17088

• Multi-purpose tool made from polypropylene
• Can be used as a stirrer or spatula.
• Measures 9.5" long with a diameter of 1/4".
• Great for adding small amounts of ingredients and mixing
• An are excellent replacement for metallic scoops
• Come in packs of 12


Multi-purpose tool made from polypropylene can be used as a stirrer or spatula. Measures 9.5" long with a diameter of 1/4".

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$9.40 Dozen $11.75 Dozen
2 SizesSave 20%
Disposable Transfer Pipettes (Pack of 500)Disposable Transfer Pipettes (Pack of 500)
Disposable Transfer Pipettes (Pack of 500)
16554

One piece, made from Low Density Polyetylene, graduated liquid transfer pipets. Chemically Inert and non-toxic. Can be heat-sealed to transport or store. For use in all types of testing laboratories, chemistry, microbiology, blood banking, urinalysis and hematology. Non-Sterile. Two sizes to choose from.

Capacity: 5.0 ml
Drops per mL: 23
Stem Diameter: 5mm
Bulb Draw: 3.5 ml
Stem Graduations: 1.0 ml x 0.25 ml
Total Length: 150mm
Capacity: 7.0 ml
Drops per mL: 21
Stem Diameter: 5mm
Bulb Draw: 3.5 ml
Stem Graduations: 3.0 ml x 0.5 ml
Total Length: 160mm

A necessity for those working with liquid substances. Accurate, high quality, and disposable! A cost-effective way to transfer liquids without worries of cross-contamination or spillage. One piece, made from Low Density Polyetylene, graduated liquid transfer pipets. Chemically Inert and non-toxic. Can be heat-sealed to transport or store. For use in all types of testing laboratories, chemistry, microbiology, blood banking, urinalysis and hematology. Sold in packs of 500 pipettes.

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$15.60 Pack $19.50 Pack
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Draining Tray
Draining Tray
16616

This basket, with wide, net like structure on all sides is useful for draining different laboratory apparatus after washing them. Made of polypropylene, this tray can be autoclaved. Dimensions 16" wide x 16" deep x 4" high.
This basket, with wide, net like structure on all sides is useful for draining different laboratory apparatus after washing them. Made of polypropylene, this tray can be autoclaved. Dimensions 16" wide x 16" deep x 4" high.

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$18.80 Each $23.50 Each
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Ohaus School Balance
Ohaus School Balance
14312

It is the ideal teaching tool to introduce elementary and middle school students to the science of meteorology and has a pivoting beam that provides accuracy to 0.5 gram divisions. The interchangeable red square pans are easily removable for pouring, cleaning, and storage. With a capacity of 2000 grams, mass measurements can be achieved for small items such as paper clips, marbles and coins as well as heavier objects such as books. Pan dimensions: 5.5" (14cm)W x 5.5" (14cm)H
It is the ideal teaching tool to introduce elementary and middle school students to the science of meteorology and has a pivoting beam that provides accuracy to 0.5 gram divisions. The interchangeable red square pans are easily removable for pouring, cleaning, and storage. With a capacity of 2000 grams, mass measurements can be achieved for small items such as paper clips, marbles and coins as well as heavier objects such as books. Pan dimensions: 5.5" (14cm)W x 5.5" (14cm)H

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$56.80 Each $71.00 Each
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Pocket Magnifier - Triple (5X, 10X and 15X)
Pocket Magnifier - Triple (5X, 10X and 15X)
14940

This pocket magnifier features 38mm diameter lenses, and offers a much larger (almost twice) field of view compared to regular pocket magnifiers. Sturdy plastic frames, glass lenses. This magnifier is very versatile, and magnifies objects up to 15X.
This pocket magnifier features 38mm diameter lenses, and offers a much larger (almost twice) field of view compared to regular pocket magnifiers. Sturdy plastic frames, glass lenses. This magnifier is very versatile, and magnifies objects up to 15X.

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$4.20 Each $5.25 Each
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Hand Magnifier - 2"
Hand Magnifier - 2"
11947

Good quality, one-piece plastic frame. Glass lens.
50mm magnifying glass with glass lens molded into a high quality unibody plastic frame. 2.5x magnification.

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$2.36 Each $2.95 Each
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Economy Thermometers (Pack of 10)
Economy Thermometers (Pack of 10)
13354

Large, easy to read numbers and graduations. -40 degreesC to +50 degreesC.
Large, easy to read numbers and graduations. -40 degreesC to +50 degreesC.

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$11.96 Pack $14.95 Pack
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Demonstration Thermometer
Demonstration Thermometer
15820

Room temperature, boiling, freezing and body temperatures are highlighted on this 24" X 5 3/4" plastic device. Fahrenheit and Celsius scales range from -40 degrees to 50 degrees C and -40 degrees to 120 degrees F. Adjustable red band. Grades 1+.
Room temperature, boiling, freezing and body temperatures are highlighted on this 24" X 5 3/4" plastic device. Fahrenheit and Celsius scales range from -40 degrees to 50 degrees C and -40 degrees to 120 degrees F. Adjustable red band. Grades 1+.

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$8.76 Each $10.95 Each
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Classroom Liquid Measurement Set (Set of 19)Classroom Liquid Measurement Set (Set of 19)
Classroom Liquid Measurement Set (Set of 19)
15706

• Deluxe set includes everything needed to teach liquid measurement and equivalencies
• Students will recognize, measure and estimate liquid volumes
• Set includes 5 Measuring Jars, 3 Liquid Measurers, 5 Measuring Cups, and 6 Measuring Spoons
• All pieces are clearly marked and made of durable plastic
• Ages 5+


This deluxe set is the perfect sized classroom set for learning measurement equivalents. Students practice customary capacities, liquid measurement and metric conversions with suggested activities included. Made of durable plastic, each piece is clearly marked to provide years of use. Includes teacher's guide. Set includes a liquid measuring cup (8oz/250ml), pint (16oz/500ml), quart (32oz/1000ml), standard spoons, 1 teaspoon,1 tablespoon, standard cups, measuring jars with gill, pint, quart, half-gallon, gallon (metric 100ml-3000ml)

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$26.36 Set $32.95 Set
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Burette Clamp - Standard w/ Plastisol Coated Jaws
Burette Clamp - Standard w/ Plastisol Coated Jaws
15100

Same as above with plastisol coated jaw.
Same as above with plastisol coated jaw.

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$10 Each $12.50 Each
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Clamp Holder - Standard
Clamp Holder - Standard
11915

Cast iron. Nickel plated. With 1/4' steel thumbscrews. For rods up to 3/4" diameter.
Cast iron. Nickel plated. With 1/4' steel thumbscrews. For rods up to 3/4" diameter.

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$4.40 Each $5.50 Each
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All-Purpose Plastic Apron - Adult (27" x 36")
All-Purpose Plastic Apron - Adult (27" x 36")
46906

This 27 inch x 36 inch adult size apron is for efficiency and cleanliness. Reinforced at points of strain (6 mil). Quality tapes at waist and neck.

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$3.16 Each $3.95 Each
2 SizesSave 20%
Rubber Tubing (per foot)
Rubber Tubing (per foot)
16848

Pure latex gum tubing. A clear amber color. Flexible, with long life under constant use. 3/32" wall thickness.

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From $1.34 $1.68 Foot
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58-Piece Metric Weight Set
58-Piece Metric Weight Set
16540

Set contains twenty each of 1 g and 5 g, ten 10 g, four 20 g, two 100 g, and one each of 500 g and 1000 g weights. Stackable, color-coded weights come in a plastic storage box. Ages 8-13
Set contains twenty each of 1 g and 5 g, ten 10 g, four 20 g, two 100 g, and one each of 500 g and 1000 g weights. Stackable, color-coded weights come in a plastic storage box. Ages 8-13

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$23.96 Set $29.95 Set
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Pocket Microscope
Pocket Microscope
11041

This is the perfect "carry-with-you" magnifier-microscope. Just 5 1/4" x 1 3/4" x 3/4" with a built-in light source and optics to let you see objects 30 times their actual size. Uses two "AA" batteries (not incl.) and features a center focus wheel for precise one-hand operation. Ideal for inspecting gems, photos, stamps, coins, and learning about plants and insects.
This is the perfect "carry-with-you" magnifier-microscope. Just 5 1/4" x 1 3/4" x 3/4" with a built-in light source and optics to let you see objects 30 times their actual size. Uses two "AA" batteries (not incl.) and features a center focus wheel for precise one-hand operation. Ideal for inspecting gems, photos, stamps, coins, and learning about plants and insects.

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$9.80 Each $12.25 Each