Gas Chromatography (GC) columns are at the heart of the gas chromatograph and responsible for the separation process. GC is one of the most important and critical tools in analytical chemistry, because of its effectiveness, sensitivity and ease-of-use. GC columns contain a stationary phase,…

Nonpolar SPE columns for acidic, neutral, and basic analyte extraction High surface area and capacity ensure highly reliable retention characteristics No secondary interactions from silanol groups for accurate results Higher sample loading due to high surface area Recover clean…

Agilent Polaris HPLC columns offer many polar phase chemistries designed separate mixtures of polar and nonpolar analytes reliably and with excellent peak shapes. The polar-embedded C8 and C18 bonded phases are compatible with 100% water, and offer alternative selectivities while still complying…

Agilent Technologies products are intended for sale/shipment within the US only. International customers should contact their local Agilent Technologies distributor to place orders for Agilent Technologies products.

BrandTech Scientific offers a wide range of accessories for the Dispensette® III and Dispensette Organic bottletop dispensers. These accessories help to even further improve upon the safety, conservation, and productivity features of these popular bottletop dispensers. Bottletop Thread…

Simulated distillation is the preferred method for characterizing boiling point distributions of petroleumfractions because it requires less labor than physical distillation. Simulated distillation determinesquantitative mass yield (% off) based on the boiling points for the components in…

J&W Packed Gas Chromatography (GC) Columns are designed and manufactured to offer excellent and reproducible performance for all sample types associated with packed column separations, most important in the hydrocarbon processing industry. The efficient and rigorous packing technology used in J&W…

Agilent J&W DB-17 is a (50%-phenyl)-methylpolysiloxane column of mid polarity. Equivalent to USP phase G3, it is excellent for confirmation analysis. This product is only available to U.S. Domestic Customers. For research use only, not to be used in diagnostic procedures.

J&W DB-1701 is a low/mid-polarity (14% cyanopropyl-phenyl)-methylpolysiloxane column. This gas chromatography (GC) column is ideal for the analysis of pesticides, herbicides, trimethylsilyl (TMS) derivatives of sugars and related substances, and aroclors. The column is bonded, crosslinked, and…

J&W Packed Gas Chromatography (GC) Columns are designed and manufactured to offer excellent and reproducible performance for all sample types associated with packed column separations, most important in the hydrocarbon processing industry. The efficient and rigorous packing technology used in J&W…

Applications Storing reagents, IR cells or soil samples Drying biological specimens Cooling crucibles Storage sludge samples Features Durable, hand crafted construction. Fabricated from stainless steel and glass Superior seal integrity Rigid door full…

These high-quality vacuum desiccators stay gastight allowing reliable dry storage or experiments over extended periods. Able to maintain 29in.-Hg vacuum for over 72 hours at room temperature, they provide vacuum integrity resulting in lower maintenance and greater peace of mind. Viton®…

The Agilent Pursuit family of HPLC columns offers reliable performance in various common particle sizes and phase chemistries, including USP L1, USP L7, and USP L11. Pursuit columns are available in many dimensions, including preparative HPLC columns. In addition, both traditional (Pursuit) and…

Agilent J&W CP-Sil 8 CB is a general-purpose phase that incorporates 5% phenyl groups in the dimethylpolysiloxane polymer, giving it slightly higher polarity than CP-Sil 5 CB. This delivers better selectivity for aromatic compounds and makes it the best choice for method development. Equivalent to…

Cast iron support stand bases are constructed with black enamel finish for chemical resistance and durability. All bases feature a built-in support rod holder with locking knob that accepts a 0.51" (13 mm) diameter support rod. U-shaped base features three built-in support rod holders and…

13 mm jaw size Ergonomic handle E-Z Decappers offer a new cushioned ergonomic handle design that reduces hand fatigue and provides a high degree of comfort for the user. Other features include polished crimping jaws for consistent sealing, a short handle and a redesigned spring assembly…

Agilent J&W PoraPLOT U provides symmetrical peaks for polar volatiles. Water has no effect on retention times and elutes as a sharp and quantifiable peak. PoraPLOT U is the most polar porous polymer PLOT column and is designed for halogenated compounds, hydrocarbons C1-C6, ketones, and solvents. …

BrandTech® Scientific offers a wide range of accessories for the Dispensette® S bottletop dispensers. These accessories help to even further improve upon the safety, conservation, and productivity features of these popular bottletop dispensers.

PLRP-S for Biomolecules products are available in a range of pore sizes and particle sizes, all with identical chemistry and fundamental adsorptive characteristics. The particles are inherently hydrophobic so there is no bonded phase, alkyl ligand required for reversed-phase separations. This gives…

Plasmid Miniprep Kit (100 preps): Bio Basic Plasmid DNA Extraction Miniprep Kit is an excellent tool offering a speed and economic method to purify plasmid DNA from bacteria cultures. This technology is based on binding DNA to silica-based membranes in chaotropic salts and washing DNA with…

Agilent J&W CP-Wax 57 CB for Glycols and Alcohols is optimized for the analysis of glycols, diols, and alcohols. It has a unique, high-polarity wax phase that produces symmetrical peaks. The crosslinked and bonded phase delivers robustness and enhanced column lifetime. This product is only…

The use of SPE sample preparation can significantly enhance the robustness and reliability of many biological, pharmaceutical, forensic and environmental applications. Thermo Scientific™ HyperSep C18 SPE Cartridges feature a highly retentive alkyl-bonded phase for nonpolar to moderately…

Set includes retort base, rod, support ring and 4-pronged cork-lined clamp and bosshead Upgraded design now includes a two-piece stainless steel rod that effortlessly screws together, ensuring easy setup and enabling more compact storage when not in use The 8"L x 5"W base weighs 1.75lbs,…

BD Supplies more than 400 different BD Difco™ and BD BBL™ brand media formulations and ingredients in dehydrated form for the convenience of the laboratorian and bioprocessing specialist.

Perfect environmental simulation in the humidity chamber This climate chamber offers the full range of comfort, reliability and safety. Thanks to active humidity control from 20 % to 95 % rh and unsurpassed homogeneity of temperature and humidity over the entire interior, it is ideally suited…

Agilent J&W CP-Wax 52 CB is a high-polarity polyethylene glycol (PEG) phase with a wider temperature range than nonbonded PEG columns, due to extensive crosslinking. This column delivers higher resolution of low boiling point analytes, with guaranteed reproducibility and excellent temperature…

NewGuard cartridges are small guard cartridges (15 mm x 3.2 mm ID) packed with 5 or 7 µm sorbents. They help to prolong column life by eliminating particulates, contaminants, and strongly bound sample components; acting as replaceable disposable heads of your analytical column. There is negligible…

Glove Box Dispenser - Triple Glove Box Dispenser - Triple Unit mounts vertically and holds three boxes of gloves horizontally. Keyholes for wall mounting. Clear PETG plastic. Made in U.S.A.. 11.2" x 14.35" x 3.7".

Ai new QuickClamp with quick release screw, designed and specially made for Ai 5L, 10L, 20L and 50L SolventVap rotary evaporators. Center sealing rings sold separately.

Screw-Clamp Compressor No-slip jaws Strong, open-jaw type nylon tubing Accepts tubing up to 6.4mm (1/4") O.D. Angled jaws prevent tube from slipping out Swing Jaw™ Tubing Clamps For all fixed tubing Zinc-plated steel clamp provides non-slip closure for flexible…

InfinityLab Poroshell 120 HILIC columns for hydrophilic interaction liquid chromatography (HILIC) are designed for the retention and high-resolution separation of small polar analytes. The superficially porous character of the particles decreases equilibration times to improve throughput for both…