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2,6-Dichlorophenolindophenol Indicator solution - 25 mL
Our Price: $3.50
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Acetic Acid, Glacial - 100 mL
Our Price: $6.99
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Acetic Acid, Glacial - 25 mL
Our Price: $3.50
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2,6-Dichlorophenolindophenol (DCPIP) is used as an indicator for determining photosynthesis rates and for quantitative analyses of vitamin C. Provided as a 0.1% solution.
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Glacial (concentrated) acetic acid is an essential laboratory chemical, used widely in biology, chemistry, forensics, and other experiments. Provided as a reagent-grade, 99.8% (17 molar) liquid. Causes severe burns. May be fatal if swallowed.
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Glacial (concentrated) acetic acid is an essential laboratory chemical, used widely in biology, chemistry, forensics, and other experiments. Provided as a reagent-grade, 99.8% (17 molar) liquid. Causes severe burns. May be fatal if swallowed.
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Acetone - 100 mL
Our Price: $6.99
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Acetone - 25 mL
Our Price: $3.50
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Agar Culturing Media - 25 g
Our Price: $11.99
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Acetone is used as a general solvent, for microscopy staining, and for chromatography. Provided as a reagent-grade liquid. Danger! Extremely flammable! Causes skin and eye irritation.
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Acetone is used as a general solvent, for microscopy staining, and for chromatography. Provided as a reagent-grade liquid. Danger! Extremely flammable! Causes skin and eye irritation.
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Pure agar is used to make culturing media for biology experiments. Provided as a dehydrated powder. The contents of this bottle are sufficient to make enough culturing media to make up about fifty 90mm Petri dishes or several hundred slant culturing tubes or test tubes.
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Aluminum Metal Filings - 25 g
Our Price: $4.99
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Aluminum Metal Strip
Our Price: $1.10
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Aluminum Nitrate Nonahydrate - 25 g
Our Price: $4.99
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Aluminum metal, provided as filings or granules. May be used in specific heat experiments or for other experiments that require finely-divided aluminum metal. May also be reacted with hydrochloric acid to produce hydrogen gas. Caution! Inhalation as dust or fume may cause irritation.
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Aluminum metal strip, about 20x100x1 mm, suitable for use as an electrode.
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Aluminum nitrate is a convenient source of aluminum ions for experiments in qualitative or quantitative analyses, in which the nitrate spectator anion is often less troublesome than chloride or other spectator anions. Warning! Strong oxidizer! Harmful if swallowed. Causes irritation. Contact with combustible material may cause fire or explosion.
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Aluminum Oxide - 25 g
Our Price: $4.25
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Aluminum Potassium Sulfate Dodecahydrate - 25 g
Our Price: $4.25
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Aluminum Sulfate Octadecahydrate - 25 g
Our Price: $2.85
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The most common laboratory use of aluminum oxide (alumina) is making up TLC (thin-layer chromatography) plates from ordinary microscope slides.
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Also known as potassium alum, potash alum, or simply alum. Warning! Harmful if swallowed. May cause irritation.
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Aluminum sulfate is a common laboratory source of aluminum ions, and is also used as a flocculant and as a mordant for biological staining. Harmful if swallowed. May cause irritation.
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Ammonia, Concentrated - 100 mL
Our Price: $6.99
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Ammonia, Concentrated - 25 mL
Our Price: $4.50
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Ammonium Acetate - 25 g
Our Price: $4.25
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Aqueous ammonia, sometimes called ammonium hydroxide, is a fundamental laboratory reagent. Our aqueous ammonia is reagent grade, provided as a solution of 28% to 30% concentration (~ 15 M). Danger! Corrosive! Poison! Causes severe burns. May be fatal if swallowed or inhaled. Vapor extremely irritating. Also available in 25 mL size
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Aqueous ammonia, sometimes called ammonium hydroxide, is a fundamental laboratory reagent. Our aqueous ammonia is reagent grade, provided as a solution of 28% to 30% concentration (~ 15 M). Danger! Corrosive! Poison! Causes severe burns. May be fatal if swallowed or inhaled. Vapor extremely irritating. Also available in 100 mL size
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Ammonium acetate is often used to make up acetic acid/acetate pH buffer solutions and DNA gel electrophoresis buffer solutions. It is also used to make up a protein precipitating reagent, and a convenient source if you need a small amount of acetamide. Simply heat a small amount of ammonium acetate gently to decompose it quantitatively into acetamide and water vapor. Caution! May cause irritation to skin, eyes, and mucous membranes.
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Ammonium Chloride - 25 g
Our Price: $2.50
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Ammonium Dichromate - 25 g
Our Price: $3.25
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Ammonium Heptamolybdate Tetrahydrate - 25 g
Our Price: $8.99
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Ammonium chloride is a standard laboratory reagent, used in reactions and analyses as a source of ammonium ions or chloride ions. Warning! May be harmful if swallowed. Causes skin and eye irritation.
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Ammonium dichromate is used as a source of dichromate ions—or, by altering the pH, chromate ions—for various syntheses and analysis. Danger! Strong oxidizer! Poison! Harmful if swallowed.
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Ammonium heptamolybdate, often ambiguously called simply ammonium molybdate, is used as a reagent in qualitative and quantitative analyses for arsenic, lead, phosphates, and silicates. It is also used as a catalyst in some reactions and as a mordant or negative stain in some biological staining processes. Caution! Irritant to skin, eyes, and mucous membranes.
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Ammonium Metavanadate - 5 g
Our Price: $9.99
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Ammonium Nitrate - 25 g
Our Price: $3.25
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Ammonium Oxalate Monohydrate - 25 g
Our Price: $6.99
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Ammonium metavanadate is a convenient source of vanadate (vanadium) ions for various redox (reduction-oxidation) experiments and demonstrations, and is also a key component of various specialized analytical reagents used in chemistry and forensics. Danger! Poison! Fatal if swallowed. Harmful if inhaled. Causes irritation.
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Ammonium nitrate is frequently used as a “clean” source of ammonium ions or nitrate ions in various syntheses and analyses, when other common spectator anions such as chloride would interfere. Danger! Strong oxidizer! Contact with other material may cause fire. Harmful if swallowed.
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Ammonium oxalate is an analytical reagent used to precipitate calcium and similar cations. Danger! Poison! Can be fatal if swallowed. Causes irritation to skin, eyes, and mucous membranes.
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Amylase Enzyme - 25 mL
Our Price: $4.15
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Ascorbic Acid - 25 g
Our Price: $4.75
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Barium Chloride Dihydrate - 25 g
Our Price: $4.50
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Amylase enzyme converts starch to sugars, and is frequently used in biology experiments as well as qualitative and quantitative organic analyses. Caution! May cause irritation.
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Ascorbic acid, also known as Vitamin C, is frequently used in biology and chemistry experiments, usually as a relatively mild reducing agent. Our ascorbic acid is for laboratory use only; not for human consumption. Caution! May cause irritation.
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Barium chloride is the most frequently used laboratory source of barium ions for syntheses and analyses. Danger! Poison! May be fatal if swallowed. Causes irritation. May be harmful if inhaled.
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Barium Hydroxide Octahydrate - 25 g
Our Price: $6.99
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Barium Nitrate - 25 g
Our Price: $3.99
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Benedict's Solution (qualitative) - 25 mL
Our Price: $3.25
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Barium hydroxide is a strongly basic analytical reagent that is most frequently used in laboratories for qualitative and quantitative determinations of carbon dioxide in combustion and respiration experiments. Danger! Poison! May be fatal if swallowed. Harmful dust – irritant.
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After barium chloride, barium nitrate is the most frequently used laboratory source of barium ions for syntheses and analyses, used when the chloride ion would interfere. Danger! Strong oxidizer! Poison! Contact with other material may cause fire. May be fatal if swallowed.
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Benedict's solution is a qualitative test reagent for the presence of glucose and other reducing sugars, including all monosaccharides and the disaccharides mannose, lactose and maltose. Contains copper(II) sulfate, sodium carbonate, and sodium citrate. Warning! Harmful if swallowed.
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Biuret Reagent - 25 mL
Our Price: $2.99
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Boric Acid - 25 g
Our Price: $2.75
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Bromothymol Blue Solution - 25 mL
Our Price: $3.50
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Biuret reagent is a test reagent for the presence of proteins. The blue reagent solution turns violet if a protein is present, shifting to pink if a short-chain polypeptide is present. Biuret reagent contains copper(II) sulfate, potassium hydroxide, and potassium sodium tartrate. Danger! Corrosive! Poison!
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Boric acid is used as a source of boron (borate) ions, and as a component of boric acid/borate buffer solutions. Warning! Harmful if swallowed.
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Bromothymol blue is an acid-base indicator that provides a relatively sharp color change over the transition of a narrow range of pH values near pH 7.0 (neutral).
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Calcium Acetate Monohydrate - 25 g
Our Price: $2.99
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Calcium Carbonate - 25 g
Our Price: $2.99
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Calcium Chloride Dihydrate - 25 g
Our Price: $2.99
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Calcium acetate is a gelling agent, best known as a component of products such as Sterno Canned Heat. Caution! May cause irritation to skin and eyes.
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Calcium carbonate is the primary component of chalk and marble as well as of many antacids.
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Calcium chloride is widely used in chemistry laboratories as a drying agent and as a source of calcium ions for precipitation reactions and qualitative analyses. Caution! Harmful if swallowed. Causes irritation to skin, eyes, and mucous membranes.
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Calcium Hydroxide - 25 g
Our Price: $2.50
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Calcium Nitrate Tetrahydrate - 25 g
Our Price: $4.50
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Calcium Oxide - 25 g
Our Price: $3.25
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In impure form, calcium hydroxide is best known as ordinary garden lime or slaked lime. In the lab, it is used as a mild base and analytical reagent.
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Calcium nitrate is a common laboratory reagent, used instead of calcium chloride as a source of calcium ions in reactions and syntheses where the chloride ion would interfere. Danger! Strong oxidizer! Contact with other material may cause fire. Avoid contact with eyes, skin, and clothing.
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In impure form, calcium oxide is known as quicklime. It reacts vigorously with water to form calcium hydroxide. Danger! Corrosive! Causes severe irritation and possible burns to skin and eyes.
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Calcium Sulfate (Plaster of Paris) - 25 g
Our Price: $2.99
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Charcoal, Activated - 25 g
Our Price: $4.50
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Chemistry Experiment Kit 1000
Our Price: $89.95
Sale Price: $79.95
You Save $10.00!
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Better known in impure form as Plaster of Paris, calcium sulfate hemihydrate is a hydrated form of calcium sulfate that contains one water molecule of hydration for each two molecules of calcium sulfate.
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Activated charcoal is used in laboratories as a source of pure carbon, as a reducing agent, and for adsorbing contaminants from reaction mixtures. The “activated” part of the name means that the charcoal has been processed to greatly increase its surface area.
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The 40-page, full-color Experiment Manual guides aspiring young chemists, chemical engineers, lab technicians and researchers through the 75 experiments.
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Chemistry Experiment Kit 3000
Our Price: $239.95
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Chloroform - 25 mL
Our Price: $4.99
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Chromium(III) Nitrate Nonahydrate - 25 g
Our Price: $6.99
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CHEM C3000 is the ultimate chemistry kit. Start with fun experiments to learn basic chemistry principles, then build a strong foundation with exposure to a broad range of chemical phenomena and hands-on lab experience.
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First used as an anesthetic in the 19th century, chloroform now finds wide use in laboratories as a specialized reagent or solvent, particularly in biology experiments, forensic drug testing, and forensic toxicology.
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Chromium(III) nitrate is the most common laboratory source for chromium(III) ions for syntheses and analyses.
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Cobalt(II) Chloride Hexahydrate - 25 g
Our Price: $7.99
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Cobalt(II) Nitrate Hexahydrate - 25 g
Our Price: $8.49
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Copper Metal Shot - 25 g
Our Price: $4.89
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Cobalt(II) chloride is probably most familiar as a moisture indicator in silica gel drying packets and laboratory test strips used to test for the presence of water.
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Cobalt(II) nitrate is used as a source of cobalt ions for syntheses and analyses when the presence of the chloride spectator ion would interfere. Danger! Strong oxidizer! May be fatal if swallowed. Harmful if inhaled. Causes irritation.
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Copper metal shot is used in specific heat experiments and for other laboratory uses where small pieces of copper are needed as a reactant. Low hazard for usual laboratory handling.
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Copper(II) Acetate Monohydrate - 25 g
Our Price: $8.99
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Copper(II) Carbonate - 25 g
Our Price: $4.75
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Copper(II) Chloride Anhydrous - 25 g
Our Price: $3.75
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Copper(II) acetate, also called cupric acetate, has been known since antiquity as verdigris, formed accidentally by the reaction of sour wine or vinegar with copper vessels. In the laboratory, copper(II) acetate is a component of various special test reagents, and is sometimes used as a source of copper(II) ions. Warning! Harmful if inhaled or swallowed. Causes irritation.
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Copper(II) carbonate, also called cupric carbonate, is a pure form of one of a common copper ore. In a closed crucible under strong heat, a mixture of copper(II) carbonate and charcoal can be smelted to yield pure copper metal, an interesting demonstration of one of the first chemical reactions that was discovered in prehistoric times.
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Copper(II) chloride, also called cupric chloride, is a common source of copper ions for laboratory syntheses and analysis, and is also a component of several specialized test reagents. Danger! Corrosive! Harmful if inhaled or swallowed. Causes skin, eye, and respiratory tract burns.
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Copper(II) Nitrate Trihydrate - 25 g
Our Price: $3.75
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Copper(II) Sulfate Pentahydrate - 100 g
Our Price: $9.50
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Copper(II) Sulfate Pentahydrate - 25 g
Our Price: $2.75
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Copper(II) nitrate, also called cupric nitrate, is a component in several specialized test reagents, and is sometimes used as a laboratory source of copper ions for syntheses and analyses when the less expensive copper sulfate is unsuitable. Danger! Strong oxidizer! Harmful if swallowed or inhaled. Irritant to skin, eyes, and mucous membranes.
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Copper(II) sulfate, also called cupric sulfate, is an essential laboratory chemical. It is the usual source for copper ions needed for syntheses or analyses, and is a component of scores of specialized test reagents.
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Copper(II) sulfate, also called cupric sulfate, is an essential laboratory chemical. It is the usual source for copper ions needed for syntheses or analyses, and is a component of scores of specialized test reagents.
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Detection of Lead Paint Test Kit
Our Price: $24.95
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Dextrose - 25 g
Our Price: $2.50
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Dimethylglyoxime Indicator Solution - 25 mL
Our Price: $6.75
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This kit provides the equipment and reagents you need to perform reliable multi-step laboratory tests for detecting lead content in paints. The sulfide test, a sensitive preliminary screening test, quickly identifies paint samples that may contain lead.
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Dextrose, also called d-glucose, is used in biology experiments and as a standard for carbohydrate analyses. Our dextrose is laboratory grade, and not intended for human consumption. Use in keeping with good laboratory practices.
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Dimethylglyoxime is used as an indicator in qualitative analysis for the presence of nickel ions, with which it reacts to form a reddish precipitate. Provided as a 1% alcoholic solution. Caution! Harmful if swallowed. May cause irritation to the skin, eyes, or respiratory tract.
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Eosin Y Staining Solution - 25 mL
Our Price: $4.50
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Eriochrome Black T Indicator Solution - 25 mL
Our Price: $8.50
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Ethyl Acetate - 25 mL
Our Price: $4.50
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Eosin Y is a general microscopy stain, used to stain cytoplasmic structures, collagen, and basement membranes in colors ranging from yellowish-orange to pink. For histology, eosin Y is often used to counterstain specimens previously stained with hemtoxylin. Provided as a 1% aqueous solution. Caution! May be harmful if swallowed or absorbed through skin. May cause irritation.
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Eriochrome Black T is a blue azo dye that is used as an indicator in complexometric titrations, such as determining total water hardness by titration for magnesium and calcium ions.
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Ethyl acetate has many uses around the lab, from being a component in some specialized test reagents to use as a chromatography solvent to preparing specimens for microscopy to use as a much safer alternative to potassium cyanide in insect killing jars. Warning! Flammable! Harmful if inhaled or swallowed. Causes skin and eye irritation.
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Formaldehyde, 37% - 25 mL
Our Price: $4.95
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Gram's Iodine Solution - 25 mL
Our Price: $3.50
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Hucker's Crystal Violet Solution - 25 mL
Our Price: $6.99
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Formaldehyde solution contains 37% formaldehyde in a mixture of water and methanol. It is a component in several specialized test reagents, and is also used in preserving specimens and preparing microscope slides. Danger! Combustible liquid! Harmful or fatal if swallowed. Harmful if absorbed through skin. Vapor harmful.
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Gram's iodine is a solution of 2% iodine and 3% potassium iodide in 70% ethanol. It is used for microscopy staining, where it is a key component in the Gram staining procedure and other staining protocols.
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Hucker's crystal violet solution, the primary stain used in the Gram staining procedure, is a mixture of crystal violet stain and ammonium oxalate in a water/ethanol solution. This stain is used dropwise, so a 25 mL bottle is sufficient to stain 500 or more slide specimens. Warning! Flammable! Harmful if swallowed. May cause irritation to skin and eyes.
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