For Educational, Classroom Purposes Only

In a reaction vessel salicylic acid, acetic anhydride and sulfuric acid are mixed. The exothermic reaction will cause the temperature to increase to 70-80°C. Once the reaction is complete the vessel is cooled in an ice bath and the acetylsalicylic acid crystallizes out. This material is…

For Educational, Classroom Purposes Only

This Innovating Science pH Buffer Calibration Kit includes 500ml of each buffer solution pH 7, pH 4, and pH 10. It also includes 120ml of electrode storage solution. Kit Includes: 500mL Buffer pH 4 500mL Buffer pH 7 500mL Buffer pH 10 120mL Potassium Chloride, 1M DOT Info: Non-regulated

For Educational, Classroom Purposes Only

Many household products contain buffering chemicals. Students will design a procedure to determine the buffering agents that are in different household products such as foods, beverages and over the counter drugs. The activity contains enough materials for 15 groups of students as well as a…

Sodium Hydrogen Phosphate (Dibasic) (CAS # 7558-79-4) 5 pack to make 5 x 50mL 0.001M solution DOT Info: Non-regulated

Crystal Violet (CAS # 548-62-9) Makes 100mL 1% solution DOT Info: Non-regulated WARNING: This product can expose you to chemicals including Crystal Violet, which is known to the State of California to cause cancer. For more information go to http://www.P65Warnings.ca.gov.

For Educational, Classroom Purposes Only

Sodium Bicarbonate (CAS # 144-55-8) 5 pack to make 5 x 50mL 0.5M solution DOT Info: Non-regulated

For Educational, Classroom Purposes Only

For Educational, Classroom Purposes Only

This is a two part test to determine whether a surface has been exposed to a discharged firearm. A rapid color change takes place to verify the presence of nitrates and lead. Kit contains instructions and enough materials for 30 tests. Aligned to the Next Generation Science Standards (NGSS)* …

For Educational, Classroom Purposes Only

Students can grow their own bacteria with this hands-on, easy-to-use kit. They will be able to swab various surfaces around the classroom such as door handles and sinks to inoculate agar plates. Students will also investigate the levels and importance of bacteria in everyday situations. Kit…

Urinalysis, one of the oldest medical diagnostic tests performed, is to this day still one of the most common. In this activity, students will use simulated urine to avoid the unpleasantness of using the real thing while still performing actual tests used on real urine samples. Students will…

Electromagnetic radiation in the UV range of the spectrum cannot be perceived by the human eye. Using the Neulog™ UVB sensor specifically designed to measure UVB radiation, you will compare the amount of UVB radiation reaching the sensor. The sensor will be protected by both SPF15 and SPF30…

Show students it is possible to produce acetylsalicylic acid from a naturally-occurring, renewable resource. Students will convert sodium salicylate to salicylic acid, collect and dry prepared salicylic acid. They may then use a quick confirmatory test to examine for the presence of salicylic acid.…

For Educational, Classroom Purposes Only

For Educational, Classroom Purposes Only

For Educational, Classroom Purposes Only

For Educational, Classroom Purposes Only

Introduce your students to this valuable separation science in a safe and colorful manner. Unlike DNA and other molecules which cannot be seen during electrophoresis, this activity uses dyes that can be observed during the actual procedure, providing visual reinforcement of the forces driving…

Universal indicator color charts are used to determine the pH of a solution. These handy charts display the colors and pH values an indicator would create for each pH unit from 3 to 10. The charts are also available as an overhead transparency, 8.5×11? sheet (IS5098) and smaller chart cards…

For Educational, Classroom Purposes Only

Allow students to learn about polymers and cross-linking using this fun and colorful activity. Students add a solution of sodium alginate to three calcium chloride solutions, each containing a different fluorescent dye. After a few minutes the liquid sodium alginate solution forms into gel-like…

In this lab students will understand the action and specificity of restriction enzymes, while learning the components involved in the process of DNA electrophoresis and the role of each component as it applies to the entire process of electrophoresis. Students will perform the electrophoresis…

For Educational, Classroom Purposes Only

A volatile liquid is placed in a test tube and the tube is closed with a stopper with a hole in it. The test tube is placed in a hot water bath. The liquid vaporizes and excess vapors escape through the hole. The tube is then placed in an ice bath to quickly cool the vapor and cause it to condense.…

For Educational, Classroom Purposes Only

For Educational, Classroom Purposes Only

For blood typing using real human blood. 5 mL vials contain enough antisera for 75 students. Sample will keep over one year with proper refrigeration. FOR EDUCATIONAL USE ONLY. NOT FDA APPROVED FOR CLINICAL USE. DOT Info: Non-regulated