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Molarity and Solution Calculators

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Since 1977

Address	P.O. Box 219 Batavia, IL 60510
Phone	800-452-1261
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Chemicals

Flinn Scientific carries more than 1,300 chemicals; all the necessary chemicals for your academic chemistry lab and activities.

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GHS Poster and Pictogram Stickers, AP7650 and SE1080

GHS Poster & Pictogram Stickers will help you understand and remember the changes made to chemical labels as a result of the GHS updates

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Flinn Scientific Hydrogen Peroxide, 30%

Hydrogen Peroxide 30% discusses that while this chemical can be used to demonstrate many exciting classic chemistry demonstrations, you should not become complacent when using it.

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Shelf Life of Chemicals

Shelf Life of Chemicals discusses how Flinn provides information to help you safely manage your chemicals.

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How to Prepare Solutions

How To Prepare Solutions shows the calculations and steps necessary for preparing an accurate solution of known concentration from a solid.

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How to Prepare a Dilute Acid Solution

How To Prepare a Dilute Acid Solution demonstrates how to prepare a dilute acid solution safely, accurately and efficiently.

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How to Prepare Catalase

How To Prepare Catalase demonstrates how to prepare catalase to ensure optimal results in enzyme studies.

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Laboratory vs. Reagent Grade Chemicals

Laboratory vs. Reagent Grade Chemicals is a Flinn Chemistry Minute that will help you choose the most appropriate chemicals for your needs and budget.

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Which Iodine Solution Should I Use?

Which Iodine Solution Should I Use? This Flinn Biology Minute answers this question. Each of the four solutions described is a different tool in the biology teacher’s tool box.

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Red Cabbage Indicator

The pigments in red cabbage are excellent examples of natural pH indicators. With colors ranging from red to pink to violet to blue to green, they can brighten up any discussion of acids and bases. Most directions for preparing red cabbage indicator solution require boiling the cabbage in water. This easy recipe calls for a small amount of cabbage, water, a blender, and a strainer. No cooking and no strong odor involved!

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Gramolpak Mixing Instructions - Bismuth Trichloride

Flinn Gramolpaks are a convenient and economical means of making common acid and base concentrations from a solid or concentrated solution.

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Gramolpak Mixing Instructions - Potassium Iodate

Flinn Gramolpaks are a convenient and economical means of making common acid and base concentrations from a solid or concentrated solution.

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Gramolpak Mixing Instructions - Cupric Sulfate

Flinn Gramolpaks are a convenient and economical means of making common acid and base concentrations from a solid or concentrated solution.

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Gramolpak Mixing Instructions - Bismuth Nitrate

Flinn Gramolpaks are a convenient and economical means of making common acid and base concentrations from a solid or concentrated solution.

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Gramolpak Mixing Instructions - Antimony Trichloride

Flinn Gramolpaks are a convenient and economical means of making common acid and base concentrations from a solid or concentrated solution.

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Gramolpak Mixing Instructions - 250 mL Solutions

Flinn Gramolpaks are a convenient and economical means of making common acid and base concentrations from a solid or concentrated solution.

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Gramolpak Mixing Instructions - 100 mL Solutions

Flinn Gramolpaks are a convenient and economical means of making common acid and base concentrations from a solid or concentrated solution.

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Gramolpak Mixing Instructions - 500 mL Solutions

Flinn Gramolpaks are a convenient and economical means of making common acid and base concentrations from a solid or concentrated solution.

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Gramolpak Mixing Instructions - 1 Liter Solutions

Flinn Gramolpaks are a convenient and economical means of making common acid and base concentrations from a solid or concentrated solution.

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Knop’s Solution Recipe and Preparation

Knop’s solution is an ideal media for culturing Oscillatoria, Oedogonium and Volvox.

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Hay-rice medium and wheat medium are used as media for Protozoan cultures.

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Bristol’s Modified Medium Recipe and Preparation

Bristol’s Modified Medium (BMM) is recommended as a growth medium for many fresh water algal cultures.

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Pringsheim’s Soil-Water Recipe and Preparation

Pringsheim’s soil-water (PSW) is recommended as a growth medium for many fresh water algal cultures.

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DNA, Lambda Phage, Lyophilized Powder

Lambda phage DNA can be digested with restriction enzymes to produce discrete bands of DNA fragments when analyzed using agarose gel electrophoresis. The lyophilized powder is stable and can be stored at room temperature. Reconstituting the DNA for digestion and electrophoresis is easy—simply add sterile distilled or deionized water.

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Polyvinyl Alcohol Prep and Activities

Polyvinyl alcohol (PVA) is the world’s largest volume, synthetic, water soluble polymer. PVA is nonhazardous and is used in many adhesives, films and elastomers. Its most popular use in schools is in the preparation of “slime.” PVA is a polymer with a repeating vinyl alcohol unit and its molecular weight can range from 25,000 to 300,000.

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Gramolpak (Acids and Bases) Mixing Instructions

Gramolpaks are a convenient and economical means of making common acid and base concentrations from a solid.