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Sodium silicate solution (water glass) - 500ml
Sodium silicate solution (water glass) - 500ml
13435

Sodium silicate (water glass) is a clear, colorless liquid. Used in soaps, detergents, adhesives and in waterproofing. Sometimes used to seal small cracks or leaks in the cooling system.

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$4.40 Each $8.95 Each
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Thames and Kosmos Chem C2000 Chemistry KitThames and Kosmos Chem C2000 Chemistry Kit
Thames and Kosmos Chem C2000 Chemistry Kit
16854

• Understand the remarkable reactions behind ordinary occurrences.
• Professional quality equipment helps you make the most of your chemistry experiments.
• This kit introduces you to the alcohol burner for experiments that require heat.
• The 128-page, full-color manual
• 250 experiments
• Provides clear instructions for preparing and performing the experiments and explains the results.
• Ages 11 and up.


Discover how fascinating the world is when you understand the remarkable reactions behind ordinary occurrences. CHEM C2000 includes everything in CHEM C1000 and more — with twice the tools and materials, and more than three times the experiments. Most notably, this kit introduces you to the alcohol burner for experiments that require heat, greatly expanding the number of experiments you can conduct. Experiment with filtering and separating mixtures, combustion, and electrochemical reactions. Learn how to work with indicators and stronger acids and bases. Explore elements and compounds, including the chemical and physical properties of water, carbon dioxide, oxygen, hydrogen, and carbon. Discover atoms and molecules. Inspect soaps and household cleaners. Experiment with various foods from the kitchen to learn about sugars, fats, and proteins. Investigate metals such as iron, copper, and aluminum. Learn about how chemistry is used in environmental protection and industry. After completing CHEM C2000, you will have experienced firsthand the most important topics in chemistry, creating an excellent foundation for later study of chemical equations and atomic structure. The 128-page, full-color manual guides aspiring young chemists through 250 experiments. The manual provides clear instructions for preparing and performing the experiments and explains the results. Thorough safety precautions and instructions ensure safe experimentation. Professional quality equipment helps you make the most of your chemistry experiments. Ages 11 and up.

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$79.90 Each $159.95 Each
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Glycerol, lab grade - 500ml
Glycerol, lab grade - 500ml
46445

Also called glycerin or glycerine, Glycerol is both a colorless and odorless liquid, that is fairly viscous. It is a simple polyol compound, with a triglyceride backbone and 3 hydroxyl groups.

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$7.60 Each $15.35 Each
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Sodium acetate, lab grade, anhydrous, powder - 500g
Sodium acetate, lab grade, anhydrous, powder - 500g
13431

Sodium acetate, lab grade, anhydrous, powder - 500g.

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$7.60 Each $15.25 Each
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Cobalt chloride, lab grade, crystal - 100g
Cobalt chloride, lab grade, crystal - 100g
46340

Cobalt chloride crystals are commonly used in classrooms for chemistry experiments and demonstrations, primarily to study chemical properties and investigate reactions involving moisture and hydration. The most notable uses include:

  1. Indicator for Humidity and Hydration: Cobalt chloride is a popular indicator for moisture because it changes color based on its hydration state. In its anhydrous form, cobalt chloride is blue, and it turns pink when it absorbs water. This property makes it ideal for demonstrating reversible chemical changes and teaching about hydration and dehydration reactions.

  2. Le Chatelier’s Principle Demonstrations: Cobalt chloride can be used to illustrate Le Chatelier's Principle. By adding water or applying heat to the crystal, students can observe the reversible color change, demonstrating shifts in equilibrium due to changes in temperature or the presence of a reactant.

  3. Testing for Water Presence: Cobalt chloride paper, which is made using the crystals, is used in chemistry and environmental science labs to detect water vapor in various gases or liquids.

Due to its potential toxicity and the fact that it can cause skin irritation, cobalt chloride should be handled with proper safety measures, including wearing gloves and protective eyewear.

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$20.20 Each $40.50 Each
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Thames and Kosmos Super Duper Bubble Gum LabThames and Kosmos Super Duper Bubble Gum Lab
Thames and Kosmos Super Duper Bubble Gum Lab
17126

It’s time to have some yummy gummy fun with this awesome bubble gum making kit! Mix up your gum base and then sweeten it with sugar. Next, use the three included flavors to make your gum more delicious than ever. Choose from watermelon, orange, and classic bubble gum — or try them all! Finally, cut it up, package it, and label it with stickers to give away as gifts. While you make these yummy treats, you’ll also learn about the scientific properties of elastic materials. Food ingredients included.

Ages: 6+
Experiments: 5
Piece Count: 10
Manual Pages: 16

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$9.90 $19.95
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5-Amino-2,3-dihydro-1, 4-phthalazinedione (luminol) -1g
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Iodine solution, Starch test - 500ml
Iodine solution, Starch test - 500ml
13411

Used as starch indicator, biological stain and chemical reagent. This iodine is laboratory grade and cannot be used for food or medical purposes. 500ml.

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$9.70 Each $19.50 Each
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Thames and Kosmos Chem C500 Chemistry KitThames and Kosmos Chem C500 Chemistry Kit
Thames and Kosmos Chem C500 Chemistry Kit
16949

• An introductory tour of chemistry with 28 classic experiments
• Discover the colorful effects of acids and bases
• Make fizzy and foamy reactions and write messages with invisible ink
• Learn about reactions between solids, liquids, and gases
• 48-page, full-color experiment manual
• Simple instructions for experiment
• Clear explanations of what happened and why
• Ages 10+


Learn about reactions between solids, liquids, and gases. Discover the colorful effects of acids and bases. Perform astonishing "magic" tricks for your friends. Make fizzy and foamy reactions. Write messages with invisible ink. Investigate metals and salts in electrochemical experiments with a 9-volt battery (not included). Learn for yourself how chemistry goes far beyond textbooks and laboratories to explain occurrences that happen around us every day. The 48-page,full-color experiment manual gives simple instructions for setting up and performing each experiment, and then clear explanations of what happened and why. This kit is ideal for children who are interested in chemistry but who are not yet ready for a more advanced chemistry set. It serves as an excellent introduction to our other chemistry sets.

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$17.40 Each $34.95 Each
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Tin Metal, lab grade, mossy - 100g
Tin Metal, lab grade, mossy - 100g
13441

Tin Metal, lab grade, mossy - 100g.

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$14.90 Each $29.95 Each
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Calcium Sulfate (plaster of paris), powder - 2.5kg
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Congo red, indicator solution, 0.1% - 100ml
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Methylene blue solution, 1% - 100ml
Methylene blue solution, 1% - 100ml
13418

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$4.10 Each $8.25 Each
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Potassium Iodide, lab grade, granular - 100g
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How Clean is the Air? (Kit)
How Clean is the Air? (Kit)
03875

Learn what air pollution is and how weather and geography affect it. Conduct experiments to test the air that you breathe everyday for pollutants. This kit comes complete with instruction manual, the chemicals and apparatus needed to conduct several air quality tests.

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$13.70 Each $27.50 Each
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Thames and Kosmos Chem C1000 Chemistry KitThames and Kosmos Chem C1000 Chemistry Kit
Thames and Kosmos Chem C1000 Chemistry Kit
16853

• Set up your lab and learn how to safely handle lab equipment and chemicals
• Professional quality equipment helps you make the most of your experiments
• Learn about indicators with litmus solution and write a message in invisible ink.
• Experiment with air pressure, surface tension, and physical properties of fluids
• Get exposure to a broad range of chemical phenomena
• Provides clear instructions, explanations, and asks and answers questions
• Thorough safety precautions and instructions ensure safe experimentation.
• 80-page, full-color experiment manual
• 125 diverse experiments.
• Ages 10 and up.


Enroll in CHEM C1000 and prepare for a lifetime of fascination with this essential science through 125 diverse experiments. Start with an introduction to the field of chemistry and famous chemists. Set up your lab space and learn how to safely handle the lab equipment and chemicals. Learn about indicators with litmus solution and write a secret message in invisible ink. Test the inks from your colored markers on the chromatography racetrack to reveal their different color components. Experiment with air pressure, surface tension, and the physical properties of fluids. Experiment with two well-known metals, iron and copper. Investigate carbon dioxide. Dissolve metals with electrochemical reactions. Explore water and its elements, saturated and unsaturated solutions, and crystals. Split water into hydrogen and oxygen with electrolysis, and form oxygen from hydrogen peroxide. Experiment with soaps, detergents, and emulsions of water and oil. Investigate chemistry in the kitchen by experimenting with sugar, honey, starch, eggs and proteins, fatty acids, and calcium. Begin to build a strong foundation in chemistry with exposure to a broad range of chemical phenomena and hands-on laboratory experiences. This kit provides clear instructions for preparing and performing the experiments, offers safety advice, offers explanations for the observed occurrences, and asks and answers questions about the results. Thorough safety precautions and instructions ensure safe experimentation. Professional quality equipment helps you make the most of your chemistry experiments. The 80-page, full-color experiment manual guides aspiring young chemists through each of the 125 experiments. Ages 10 and up.

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$32.40 Each $64.95 Each
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Thames and Kosmos Chem C3000 Chemistry KitThames and Kosmos Chem C3000 Chemistry Kit
Thames and Kosmos Chem C3000 Chemistry Kit
16855


• The ultimate chemistry kit
• Designed and manufactured in Germany for safe experimentation
• Over 333 experiments in 32 sections
• Start with fun experiments to learn basic chemistry principles
• 192-page, full-color experiment manual
• Hands-on approach to teaching chemistry
• An excellent preparation for highschool level chemistry.
• Ages 12 and up.

CHEM C3000 is the ultimate chemistry set. This kit includes all of the components from CHEM C2000, plus dozens of additional tools and chemicals, and 100 additional experiments, for a total of more than 333 experiments. The 192-page, full-color experiment manual is written at a more advanced level than the other CHEM kit manuals. You could call it a textbook, but the manual is too much fun to make that comparison. CHEM C3000 has a similar hands-on approach to teaching chemistry as our other CHEM kits, but also teaches more advanced topics such as chemical equations, atomic structures, and the periodic table. These concepts are critical to continued study of chemistry. CHEM C3000 is an excellent preparation for highschool level chemistry. Ages 12 and up.

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$139.90 Each $279.95 Each
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Zinc metal, foil 0.010" x 12" x 36", (1 piece = 500g) - 500g
Zinc metal, foil 0.010" x 12" x 36", (1 piece = 500g) - 500g
13445

Zinc metal, foil 0.010" x 12" x 36", (1 piece = 500g) - 500g
Zinc metal, foil 0.010" x 12" x 36", (1 piece = 500g) - 500g

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$18.20 Each $36.50 Each
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Buffer Solution, red, ph 4.01 - 500ml
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2,6-Dichloroindophenol Sodium salt (indophenol), reagent - 1g
2,6-Dichloroindophenol Sodium salt (indophenol), reagent - 1g
13409

2,6-Dichloroindophenol Sodium salt (indophenol), reagent - 1g

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$11.40 Each $22.95 Each
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Potassium Bromide, lab grade, crystal - 125g
Potassium Bromide, lab grade, crystal - 125g
13426

Potassium Bromide, lab grade, crystal - 125g.

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$10.10 Each $20.25 Each
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Sodium phosphate, tribasic (tsp), lab grade, crystal - 500g
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Sodium sulfate, anhydrous, technical, powder - 500g
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Starch, corn, lab grade, powder - 500g