Lab Desiccants and Drying Agents
Hygroscopic substances and drying agents for use in laboratory settings; drying agents are commonly used to keep other substances and samples dry, or to prevent moisture from forming on/in containers. Products include drying tubes, kits, etc.
Desiccants are typically chemicals or compounds that are hydroscopic (readily absorb moisture). Common desiccants include clays, silica gels, and calcium sulfate.
In the lab, desiccants are commonly used in desiccators and desiccator cabinets, with in-line air and gas drying columns, in absorption bulbs, U-tubes, glove boxes, sealed chambers, and wherever a dry environment is required. They are also used during transport, for storage, and maintaining materials and products ─ everything from clothing to electronics.
The moisture may come from a variety of sources:
- Water vapor in the air
- Moisture in packaging materials
- Moisture from permeation or leakage
Some desiccants contain an indicator or additive that produces a color change with moisture absorption. The indicator allows the user to see when the desiccant has absorbed its maximum amount of moisture and needs to be replaced or regenerated.
Some desiccants can be reused many times simply by heating them in an oven to allow moisture to evaporate. For indicating desiccants, one can also easily tell when the desiccant is again ready to use by the change back to the original color.
Desiccants may be available in a range of mesh or particle sizes. The Tyler Equivalent is a common type of mesh sizing and indicates the number of openings per linear inch of mesh. Common desiccant mesh sizes are 4, 8, and 10 to 12. Size 4 is typically used in gas phase applications; they are larger and less likely to break. Size 8 is smaller and can be more tightly packed.
Uline Silica Gel Desiccants - Gram Size 3, 5 Gallon Pail
Silica Gel Desiccants - Gram Size 3, 5 Gallon Pail
Medchemexpress LLC Netrin receptor DCC/ 5ug | 5ug
The netrin receptor DCC guides axonal attraction in neuronal growth cones during nervous system development Interaction with UNC5 protein induces axonal repulsion Netrin receptor DCC/DCC Protein Human (HEK293 His) is the recombinant human-derived Netrin receptor DCC/DCC protein expressed by HEK293 with C-10 His labeled tag
Apexbio Technology LLC DCC 538-75-0 500g
Dicyclohexylcarbodiimide (DCC CAS 538-75-0) is an organic carbodiimide frequently employed as a condensation reagent DCC facilitates the formation of peptide bonds by activating carboxylic acids towards nucleophilic attack resulting in the generation of esters amides or anhydrides under moderate temperatures This reactivity is primarily utilized in peptide synthesis preparation of ester or amide derivatives and construction of complex organic frameworks Based on these chemical properties DCC holds research potential in biological pharmaceutical and medicinal chemistry applications
eMolecules Oakwood Chemicals Silica gel 40-60Angstoms 1kg 480169644 LC4025 0 000 112926-00-8 MFCD00011232 60 083 O2Si
Oakwood Chemicals Silica gel 40-60Angstoms 1kg 480169644 LC4025 0 000 112926-00-8 MFCD00011232 60 083 O2Si