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Chemical Permeation Guide What is permeation? Permeation is the process by which a potentially hazardous chemical moves through a material on a molecular level. Molecules of chemical adsorb onto the outer surface of the material. They then enter a...

Fixing and Holding Solutions The preservation of all specimens involves the chemical alterations of the tissue proteins that inhibit bacterial and fungal growth that ultimately leads to decomposition. Fixation is a process in which a chemical fixa...

Ward's Formalin Preserved Specimens Highest Quality Dissection Lowest Levels of Formaldehyde Give your students the most true-to-life dissection experience with Ward’s Formalin specimens. Prepared with time-tested techniques using the least amount...

Which Preparation is Right for You? Ward’s Preserved Specimens The Widest Selection of Preparations Backed by Expert Support Compare all five of our preparation options to find the features that meet your needs. Click below each image for more det...

Ward's Formalin-Free Specimens Economical and Student Safe Get quality form-free dissection for your classroom at a price that meets your budget with our complete line of formalin-free specimens. 100% free of formalin Non-sensitizing to skin or ey...

CHEMICAL GLOVE RESISTANCE GUIDE DEFINITION OF KEY TERMS Permeation is a process by which a chemical can pass through a protective film without going through pinholes pores or other visible openings. Individual molecules of the chemical enter the f...

Preserved Specimens Discover three times more high quality dissection specimens than any other supplier. From traditional preparations to formaldehyde-free and freeze-dried options to custom preparations and packaging we have everything for your d...

Preserved Specimens FAQs How do you obtain your specimens? Specimens are acquired from suppliers worldwide. Is the acquisition of specimens regulated? The US Fish and Wildlife Service and the US Department of Agriculture both monitor the trade in ...

About Our Chemicals Electron Microscopy Sciences is known worldwide for our exceptional line of chemicals for microscopy. We are a trusted supplier with over 45 years of experience manufacturing chemicals to the highest standards. You deserve the ...

Specimen Packaging and Injection Options We offer a wide variety of packaging and injection options to suit your needs. Learn more about the various packaging and injection options available below. Note: Packaging and injection options may vary by...

Acids and Bases VWR offers a wide assortment of products and brands in this category. If you cannot find the product or brand that you are looking for in this listing please use the general search field in the top-left corner of the screen to sear...

Solvents and Reagents for Oligonucleotide Synthesis Burdick & Jackson™ BioSyn™ solvents and reagents for DNA and RNA synthesis are processed and purified to minimize particulate contamination making them ideal for the high purity required in pharm...

R&D QA/QC Testing Advanced Battery Science – Chemicals & Raw Materials – R&D QA/QC Testing Avantor sets advanced battery science in motion to create a better world Avantor also offers a broad range of chemicals for R&D. QA/QC and Testing ACS Grade...

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Ward's Pure Preserved™ Specimens Frequently Asked Questions How are used specimens disposed? Because there are no volatile organic compounds you should be able to routinely and safely dispose of specimens. When you are done with your Ward's Pure P...

What Is Buffer Management The Role of Buffer Management in Biopharma Buffer management is important for successful production in biopharmaceutical manufacturing. Buffers help maintain the right pH and stability for the process. They are vital at d...