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B12 Assay Medium BD Difco™ 100 g. Used for determining vitamin B12 concentration by the microbiological assay technique.
Laboratory Supplies
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Mfr #: 8388, 8390, 8393, 8396 | Manufacturer: Corning
Media bottle has a wide mouth for filling ease, and is used for sample holding, storing, mixing, and sampling applications
Polystyrene body for durability and...
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Reagents and solutions to meet your lab and research needs
Assay — ≥99.5%
Color (APHA) — ≤10
Residue after Evaporation — ≤0.001%
Solubility in H2O (10mL/40mL) — To pass test
Water — ≤0.2%
Titratable Acid or Base —...
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Compatible with most conductivity meters
Provides reliable calibration and determines all conductivity cell constants
Label shows calibration for conductivity, resistivity and dissolved solids
A2LA accredited...
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A mixture of nitrocellulose and cellulose acetate
Naturally hydrophilic
Available in both supported or non-supported
Pore size: 0.22μm-3μm, Diameter: 13mm-142mm
High porosity provides superior flow rates...
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Crosstex Biological Indicator Mini Spore Strips for monitoring Ethylene Oxide (EO) and Dry Heat processes consist of:
An inoculated carrier, 2 mm x 10 mm strip, of Bacillus atrophaeus (Cell Line 9372)
Primary...
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Mfr #: TPCR-10X5004M
A proprietary blend of low density polyethylene provides the ultimate protective film for items susceptible to contamination or damage from surface or airborne particulate.
The base film is made...
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V-shaped nozzle for easy infusion and dispensing, simple and convenient to use.
Cup mouth smooth, do not worry about scratching the skin.
Precise scale and clear marking.
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Plastic wash bottle, odorless, has the advantages of high strength, good arbitrary, good rigidity, heat resistance, cold resistance, etc., also has good resistance to environmental stress cracking, resistance to...
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Does not contain pantothenic acid or pantothenate
Contains all other nutrients and vitamins
Calcium pantothenate in specific concentrations stimulates a growth response
Does not contain polysorbate 80
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Mfr #: 909036 | Manufacturer: Pyrex
The 35 mL pressure vessels have a working volume of 2.0-25.0 mL and are rated up to 300 psi.
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Reagents and solutions to meet your lab and research needs
Assay — 95.0-98.0%
Color (APHA) — ≤10
Residue after Ignition — ≤3ppm
Chloride — ≤0.1ppm
Nitrate — ≤0.2ppm
Ammonium — ≤1ppm
Substances Reducing Permanganate...
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Smooth edges and corners help prevent punctures and ruptures
Can be installed on or over tubing or finished assemblies
High degree of leverage accommodates tubing with different durometers
Custom colours and...
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For meter calibration and care
Suitable for most conductivity meters
Determines all conductivity cell constants
Label shows you calibration for conductivity, resistivity and dissolved solids
Traceable® Certificate...
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Inherently hydrophilic
Low protein binding
Pore size: 0.1μm-0.45μm, Diameter: 13mm-142mm
Good chemical compatibility
Superior thermo stability
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Reduced incubation time of 48 hours
Visually distinct positive results indicated by the media transitioning from Purple to Yellow
Saves time by eliminating aseptic culturing required with traditional spore strips...
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Mfr #: TB-EG167W
Wide range of uses, suitable for a variety of solid and liquid dispensing
Clear bottle with good seal
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Part #: TB-BEA100
100ml measuring beaker moulded from high density Polypropylene, offering good chemical resistance. Suitable for autoclaving. Beaker has pouring spout and graduations.
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Translucent LDPE bottles; Sodium Hypochlorite is white LDPE for light-protection between 230 and 450nm; Toluene is red LDPE bottle
Color-coded polypropylene closures aid in quick and easy identification
Provides...
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Mfr #: 430517 | Manufacturer: Corning
Cellulose acetate (CA) membranes provide fast flow rates and low protein binding and are good for filtering cell culture media.
1000 mL receiver bottles feature easy grip...
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Snug-fitting lid prevents accidental separation if dropped
Use in mechanical freezers or liquid nitrogen tanks to –196°C
Constructed of sturdy cardboard with moisture-repellent coating
Designed with small holes on...
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Used for diluting or rinsing samples containing lecithin or oil when performing sterility testing
Fluid D contains polysorbate 80, which acts as a surfactant to break down the lecithin or oils present
Contains peptic...
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With the advanced purification and controltechnology, Fulltime ACS PLUS grade solvents are produced in strict accordance with ACS standards and specifications. Every batch of ACS PLUS grade solvents hasgone through...
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For calibrating conductivity meters and probes
Single-use packaging prevents cross-contamination
Extra-large opening and depth accommodate probe calibration inside the container
Labeled for conductivity, resistivity...
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Extension tubing for infusion systems
Common IV sets can be extended easily to have a convenient IV-therapy without length limitation
No limited flow rate for all standard applications
Should not be used as extension...
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Mfr #: RHC-0297
Durable brim, repeated washing without deformation.
Comfortable elastic edge to effectively prevent hair from leaking out.
Durable adhesive buckle, adjustable head circumference size.
Ear hooks to...
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Hydrophilic PTFE is easily wetted
Low IC extractables
Low protein-binding for filtration of non-aggressive aqueous and mild organic solutions
Low UV absorbing extractables and low nonspecific protein binding
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CryoBoxes designed to store cryogenic vials and tubes.
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Transparent labels for easy viewing and identification of medium
Labels are laminated acetate to resist alcohol or chlorine treatment for cleanroom use
Prepared bottles for sterility testing and microbial limits
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Less hazardous than staining with ethidium bromide
Viewable in visible light
Fast and easy to use
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Teknova Tris [tris(hydroxymethyl)aminomethane] Solutions are buffering agents commonly utilized for the stabilization of nucleic acids. These solutions act as buffering reagents between pH 7.0–9.0.
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Flame ionization detection is the most commonly used GC detection method due to it's superior ability to measure hydrocarbons. Using a carrier gas, the sample is ionized via a hydrogen-air flame, then collected using...
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Mfr #: 229896 | Manufacturer: CellTreat
Transfer Assembly available for aseptic transfer of material
For use with 3L Fernbach Flask
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Mfr #: 213216607 | Manufacturer: DWK Life Sciences
Complies with DIN 12341
Manufactured from borosilicate glass 3.3
Reduced risk of injury due to fused rim
Heat resistant
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Available in 3 and 5″ high with 13.5 x 13.5cm square bases, Box dividers included
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Thermo Scientific Chemicals™ Tetrahydrofuran (THF) is a heterocyclic compound (cyclic ether). It is colorless, has low viscosity, and good solubility in a wide range of solvents. It is widely used as a solvent in...
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Teknova Tween solutions are nonionic detergents used for protein extraction and isolation of nuclei from mammalian cell lines. They are soluble in water and are widely used in biochemical applications such as...
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Agilent Tubing, PTFE, 5 m, 1.5 mm id, used with G1311A/B/C, G1312A/B/C, G1310A/B - Standard System Capillaries, 400 and 600 bar (1100/1200/1260 Series)
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Promotion of cell attachment and spreading
Rapid expansion of cell populations
Serum-free or reduced serum culture
Cell adhesion assays
Improving survival of primary cells in culture
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Mfr #: 167200-08 | Manufacturer: Rocker
Accurate scale marking makes precise sample addition easy.
Small volume vacuum filtration for biological or particulate contamination analysis.
Our laboratory supplies are high quality, brand-name products from leading manufacturers. We carry a full range of laboratory equipment, consumables and chemicals that are reliable, easy and safe to use.