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Extreame Savings! Up to 45% off on Our Online Catalog at Dupen Labs. Top brands include The Science Company, BookFactory, Innovating Science, The Science Company®, AmScope, Sally's Organics, Rediform, Lemome, Watersafe, Midwest Brewing and Winemaking Supplies, Tila Medics, Elenco, Burry life science, Plugable, MHB, Vinmax, & Premiere. Hurry! Limited time offers. Offers valid only while supplies last.
The Science Company, NC-9871, Potassium Nitrate, (Saltpeter), Food Grade, 500g
4.3 out of 5 stars with 18 reviews
Science Company food grade Potassium Nitrate is safely used in meat curing (corned beef) for color stabilization. It appears as a fine, crystalline powder. Other uses include pyrotechnics, rocket ignition compounds, self activating incense, and tree stump remover. It is one of the three components of black powder, along with powdered charcoal (substantially carbon) and sulfur, where it acts as an oxidizer. Commercial uses include specialty fertilizer, glass manufacturing, and tempering steel.
Innovating Science Lab-Grade Anhydrous Citric Acid, 100g - The Curated Chemical Collection
4.7 out of 5 stars with 109 reviews
Innovating Science's anhydrous lab-grade citric acid comes in a 100g bottle. Often used as a component of Benedict's reagent, this makes the chemical a perfect fit in any educational or research lab dealing with biochemistry or inorganic chemistry. Each bottle has safe handling and storage procedures printed directly on the bottle. This is a high quality chemical designed for use in research labs.100g bottle of citric acid. Lab-grade material for lab and research use. Used as a component of
The Science Company, NC-3391, Sudan III Stain, 4oz
4.5 out of 5 stars with 85 reviews
Sudan III is a dye having high affinity to fats, therefore it is used to demonstrate triglycerides, lipids, and lipoproteins in liquids. It will stain fat cells red. Comes packed in HDPE squeeze bottle with PP flip top cap for dispensing by the drop.Fat stain. Appearance: Dark Red liquid. Quantity: 4oz.
BookFactory Student Lab Notebook / Laboratory Notebook - 100 Pages (8.5" X 11") - Scientific Grid Pages, Durable Translucent Cover, Wire-O Binding - Page Size: 8 ½” x 11” (LAB-100-7GW (Student))
4.2 out of 5 stars with 97 reviews
BookFactory Student Lab Notebook with Scientific Grid Pages, Durable Translucent Cover, High Quality Wire-O Binding. Interior contents include: User Data Page, Laboratory Notebook Guidelines, Table of Contents, and 100 numbered 1/4'' Grid documentation pages with signature and witness blocks. Size: 8 ½'' x 11'' (21.6cm x 27.9cm) (LAB-100-7GW (Student))Durable Exterior Translucent Cover Allows You to View Name, Date, etc. through the Cover. Sturdy Wire-O Binding so Book Lays Flat, Individually
AmScope 50pc Home School Student Biology Science Glass Slide Microscope Prepared Slides in Wooden Box
4.0 out of 5 stars with 101 reviews
The AmScope PS50 microscope slide set includes 50 prepared slides of a variety of specimens including plants, insects, and animal tissues used in basic biology education. The samples are preserved in cedar wood oil and sealed with a coverslip to preserve specimens and prevent contamination. Labeling on each slide identifies specimens. Slides are composed of optical glass for clear viewing and are 3 x 1 x 0.4 inches/75 x 25 x 1mm (H x W x D, where H is height, the vertical distance from the
2 Pack ~ 32oz Amber Glass Growlers with Polycone Lids for a Tight Seal - Perfect for Secondary Fermentation, Storing Kombucha, Homemade Cleaning Products, Traveling or a One Liter Glass Beer Growler
4.3 out of 5 stars with 73 reviews
2-Pack EMPTY Amber GLASS 32-OZ GROWLER Bottles: - LEAD-FREE, Amber, borosilicate glass - BPA-FREE, easy-open, polycone caps - 2-Pack of 32-oz (QUART-SIZED) LARGE CAPACITY, elegant, reusable Growlers for safe storage - DISHWASHER SAFE glass SO MANY USES: These large 32-ounce quart-sized glass Growlers are the best choice for so many things in your kitchen or cellar, from fermenting kombucha, to preserving, brewing or simply attractive, easy-to-see beverage or liquid storage. The easy to open,
National 53110 Lab Notebook, Quadrille Rule, 10 1/8 x 7 7/8, White, 96 Sheets
You Save: 45%
4.3 out of 5 stars with 85 reviews
Individual bill of lading forms. 250 forms in a pack. Carbonless triplicates, white/yellow/pink. Perforated at the top for easy separation of forms.Green marble cover. Center sewn binding. 5x5 quad ruled. 96 sheets. 50% post-consumer recycled paper.
Watersafe WS425W Well Water Test Kit
You Save: 10%
4.0 out of 5 stars with 137 reviews
Fast, easy-to-use water test kits detect hazardous contaminants in municipal and private well drinking water. Drinking water test kits indicate the presence of bacteria, pesticides, and lead. Kits also include readings for nitrate (0 to 50 ppm), nitrite (0 to 10 ppm), total chlorine (0 to 10 ppm), pH (6 to 10), and water hardness (0 to 425 ppm). Well water test kits add tests for contaminants commonly found in private well water: iron and copper (0 to 5 ppm). Order bacteria, pesticides, and
5 Gallon Plastic Hedpack with cap
By Midwest Brewing and Winemaking Supplies
4.7 out of 5 stars with 123 reviews
The hedpak is a 5 gallon container. This container is square shaped and is equipped with a heavy-duty carrying handle. On the back end of the handle is a vent Lid (included) that when unscrewed permits a more even flow from the Spigot (Spigot adapter Lid also included) - Spigot is not included. It is a Natural (translucent) container.Hedpak is constructed of high Density polyethylene (HDPE) - molded graduations, in 1/2 gallon increments. Large 70 mm threaded neck for easy filling. Fits a
Elenco Edu-Toys Slide Making Kit
You Save: 22%
4.5 out of 5 stars with 81 reviews
Your young scientist will go mad with this Slide Making Kit from Discover This. Tons of accessories will make for hours of discovering and learning fun. This kit includes the full array: ten blank slides, two micro slides, 12 blank labels, 12 cover glasses, 12 static slide covers, one 3x and 6x magnifier, two collecting vials, two 10mL graduated cylinders, one vial of shrimp eggs, one vial of eosin, one vial of methylene blue, one pair of goggles, one micro-hatchery, one stirring rod, one
Innovating Science Microscope Stains Vital Stain Kit - 7 Bottle Set, 6 Different Stains for Microscope Slides
4.6 out of 5 stars with 94 reviews
AmScope SK-6 vital stain kit is our most general slide staining set for general biology. Vital staining refers to a technique where a dye, or series of dyes, are used to stain cells and tissue for observation under the microscope. These stains are chosen specifically because of their ability to be used on living cells without killing them. The stain kit includes 30mL of each of the following stains in a 1% alcohol solution: Bismarck Brown Brilliant Cresyl Blue Cupric Acetate Cupric Sulfate
Plugable USB 2.0 Digital Microscope with Flexible Arm Observation Stand for Windows, Mac, Linux (2 MP, 250x Magnification).
4.8 out of 5 stars with 65 reviews
Explore the world of detail around you.FeaturesThe Plugable USB2-MICRO-250X USB microscope provides up to 250x magnification. The microscope is powered via USB bus power alone (500mA), so no extra power adapter is required. Operates like a standard webcam and can be used with the default webcam software included in your computer's operating system (note that some versions of Windows do not include webcam software by default, although many third-party applications are available for
Laboratory Thermometer, Total Immersion, Pack of 10
4.8 out of 5 stars with 41 reviews
Safer than a mercury thermometer for school use, these thermometers are red spirit filled with white background for high contrast and easy reading. 12'' long, includes roll guard and storage tube. Dual Scale range is Dual Scale -20 to 110 C. / 0 to 230 F. Save on the 10 pack, a good choice for classroom or laboratory use where some breakage can be expected.Spirit filled with white background for easy reading. Dual Scale Range is -20 to 110 C. / 0 to 230 F. 12'' long. Total Immersion. Roll
Premiere Brand 20 Capacity Slide Folder, Black, Pack of 2
4.8 out of 5 stars with 111 reviews
The Premiere Brand 20pc Capacity Slide Folder holds twenty standard 3x1'' slides that fit into numbered slots with thumb grooves on each side. 8(1t4)'' x 13(1/2)'' x (5/16)'' closed. Sold by the pack of 2. Color: Black.Safely Store Your Slides. Holds 20 Slides. Numbered Slots. Space To Write Down What Is On Each Slide. Sold by the pack of 2 pieces. Color: Black..