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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
By The Science Company
In Stock
$22.95
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.


BookFactory Carbonless Biology Lab Notebook - 75 Sets of Pages (8.5" X 11") (Duplicator) - Scientific Grid Pages, Durable Translucent Cover, Wire-O Binding (LAB-075-7GW-D (Biology))
By BookFactory
In Stock
$14.99
4.4 out of 5 stars with 77 reviews
These professional grade Biology Carbonless Laboratory Notebook - Scientific Grid Format Biology laboratory notebooks are the same books used by the nation's most innovative companies and research institutions. These books are designed to provide the opportunity to professionally record and preserve data. These durable notebooks feature inventor and witness signature blocks and fields for project title, date, and book number, making them exceptionally reliable and easy to use.Durable


Innovating Science Lab-Grade Anhydrous Citric Acid, 100g - The Curated Chemical Collection
By Innovating Science
In Stock
$10.50
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
By The Science Company®
In Stock
$11.75
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))
By BookFactory
In Stock
$12.49
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
By AmScope
In Stock
$37.99
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
By Sally's Organics
In Stock
$11.98
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
By Rediform
In Stock
$12.49
$6.86
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.


Thick Classic Notebook with Pen Loop - Lemome A5 Wide Ruled Hardcover Writing Notebook with Pocket + Page Dividers Gifts, Banded, Large, 180 Pages, 8.4 x 5.7 in
By Lemome
In Stock
$14.99
4.7 out of 5 stars with 34 reviews
Brand StoryLemome is an original design brand, specialized in developing high-grade stationery. Customers must enjoy shopping on Lemomedue to high quality products and good service.Premium Quality And Eco-friendly Material Lemome notebook main craft is hand-made, by pollution-free material, so production is no damage to the forest.Enjoy the Feeling of WritingWe like paper's luxury and responsiveness. You and Ink will fall in love with our paper.Makes A Wonderful GiftGift box packed ready to be


Watersafe WS425W Well Water Test Kit
By Watersafe
In Stock
$24.95
$22.50
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
In Stock
$17.00
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


24Pcs Advanced Dissection Kit for Medical Biology & Veterinary Students- Anatomy Lab Botany Animal Frog etc Dissecting Kit. Premium Stainless Steel Scalpel Knife Handle-11 Blades-2 Sutures Thread
By Tila Medics
In Stock
$16.99
$14.50
You Save: 15%
4.9 out of 5 stars with 125 reviews
Quality and trust goes a long way:Spending time deciding which kit to go for? Our durability and sufficiency speaks for itself! Our methodical kit includes the following tools designed to keep our customers satisfied: 5'' Straight tip teasing needle - (stainless steel handle) 5'' Curved tip teasing needle - (stainless steel handle) 4'' splinter tweezers Forceps curved 4.5'' splinter tweezers Forceps 5.5'' Operating Scissors 6'' Mall Probe Seeker with Curved End 5 '' Scalpel Knife Handle No. 3


Elenco Edu-Toys Slide Making Kit
By Elenco
In Stock
$17.87
$13.99
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


250ml Beaker 250ml Flask and 100ml Cylinder Glass Measuring Set with 3 X 20CM Dropper, 1 X 30CM Stir Bar and 1 X Cylinder Brush Pack of 8 with Gifts Avalible
By Burry life science
In Stock
$22.99
4.7 out of 5 stars with 85 reviews
★Package including: 1 X cylinder(100ML) 1 X Beaker(250ML) 1 X Flask(250ML) 3 X 20cm glass pipette(about 4ml) 1 X cylinder brush(28CM) 1 X stir rod(30cm) ★Package size:length*width* height=30cm*17cm*10cm(11.8''*6.7''*3.9'') ★Usage: The cylinder, the beaker and the flask can used to measure liquids, and the beaker and flask can also used to heat liquids, and the stirring bar used to mix or stir something, the brush used to clean the glassware. This Graduated glassware set is suitable for


Innovating Science Microscope Stains Vital Stain Kit - 7 Bottle Set, 6 Different Stains for Microscope Slides
By Innovating Science
In Stock
$27.44
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


BookFactory Red Engineering Notebook - 96 Pages (.25" Engineering Grid Format), 8 7/8" x 11 1/4", Engineering Lab Notebook, Red Cover, Smyth Sewn Hardbound (EPRIL-096-LGS-A-LRT4)
By BookFactory
In Stock
$19.99
4.4 out of 5 stars with 73 reviews
These professional grade Engineering Notebooks are essential for recording engineering notes, drawings, and intellectual properties. With sequentially numbered pages and researcher and witness signature and date blocks, these books are exceptionally reliable and easy to use. In fact, these are the same books used by some of the most respected engineering and research companies in the world.Hardbound book with durably coated, red imitation leather cover and stamped with ''ENGINEERING NOTEBOOK''.


Plugable USB 2.0 Digital Microscope with Flexible Arm Observation Stand for Windows, Mac, Linux (2 MP, 250x Magnification).
By Plugable
In Stock
$34.95
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
By MHB
In Stock
$25.95
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


Vinmax Dental Orthodontic Stainless Steel 1-Sided Photographic Oral Mirror Orthodontic Tools (4Pcs/kit)
By Vinmax
In Stock
$34.99
4.4 out of 5 stars with 35 reviews
Feature: 1.Material: High quality medical standard stainless steel 2.Single side reflective Photographic 3.Autoclaveable and Sterilizable 4.Reflectivity close to 100%. 5.The mirrors have polished, rounded edges for patient comfort. Specification: Four different regions use Photographic Mirror: (a) Buccal Side , Long:140mm Wide:35mm (b) Lingual Side, Long:140mm Wide:32mm (c) Adult Jaw, Long:100mm Wide:60mm (d) Child Jaw, Long:72mm Wide:50mm Packing list: 4pcs Dental Stainless Steel Mirrors


Premiere Brand 20 Capacity Slide Folder, Black, Pack of 2
By Premiere
In Stock
$11.75
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..





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