Restek

Graphitized carbon black offers unique selectivity and very little adsorption for alcohol analyses. Two types of CarboBlack supports are available, CarboBlack B and CarboBlack C. CarboBlack B support, with its higher surface area, can hold up to a 10% loading of a nonsilicone liquid phase....

Prevent serious injuries! These holders are designed to prevent free-standing gas cylinders from tipping over and injuring personnel. The cast aluminum holder can be secured to a wall or the side of a work bench. Each mount will secure a cylinder 4-15 inches in diameter.

We manufacture our frits from fine, chromatographic-grade 316 stainless steel, and we offer sizes to fit most column and pore sizes. To choose the correct frit, check its pore size compatibility with the particle size of the packing in the column. If the packing has a smaller particle size than the...

Available in Vespel, graphite, or Vespel/graphite material. Vespel Ferrules 100% high-temperature polyimide Stable to 350°C Durable, leak-tight Graphite Ferrules Preconditioned to eliminate outgassing High-purity, high-density graphite Smoother surface and cleaner edges than conventional...

Compound List (-)-alpha-Bisabolol (23089-26-1) Camphene (79-92-5) delta-3-Carene (13466-78-9) beta-Caryophyllene (87-44-5) Geraniol (106-24-1) (-)-Guaiol (489-86-1) alpha-Humulene (6753-98-6) p-Isopropyltoluene (p-cymene) (99-87-6) (-)-Isopulegol (89-79-2) d-Limonene (5989-27-5) Linalool (78-70-6)...

Nine-component mix simplifies calibration complexity—saving time and reducing cost. High concentration of 1000 µg/mL adds additional flexibility in constructing calibration curves. Verified composition and stability. Two independently produced lots available. Restek has the products and...

Prevent the particulates and microbial growth in your LC solvents from entering your instrument with the new Restek Bluestem glass solvent filter. Restek Bluestem glass solvent filter provides clean mobile phase to extend the life of columns and pump seals 15 µm borosilicate glass frit sits...

Compound List Ethylene glycol (107-21-1) Propylene glycol (57-55-6)

Valco fittings have been designed for the specific demands of instrumentation and manufactured with the tight tolerances and premium quality that analysts require.

Provides easy access to wipers, weigh papers, boats, and spatulas* Creates a neat, highly functional weighing area and workstation *Please note: Accessories and supplies in photograph are not included.

Compound List Ethylene oxide (75-21-8)

Free-flowing salts transfer easily and completely. Easy-open packets eliminate the need for a second empty tube for salt transfer. Convenient slim packets fit perfectly into tubes to prevent spills. Ready-to-use tubes, no glassware required. Pre-weighed, ultra-pure extraction salts. Ideal for...

Tired of stacks of HPLC columns on your lab benches? This easy-to-install cabinet saves space and protects columns; the hinged door is clear to allow quick identification of column labels or tags. Saves space and protects columns* Hinged door is clear for quick identification of column labels or...

Easy to install Attach to same fittings as original manufacturer's equipment Built-in frits in cat.#s 22820, 21610, 23031, and 23032 retain fine particles; adsorbents remove both moisture and hydrocarbons.

Compound List N-Nitrosodiphenylamine (86-30-6)

Florisil PR is commonly used to remove polar interferences from pesticide residues. This bulk material is ideal for labs packing their own extraction cartridges for pesticide residue extractions. Pesticide residue grade Packaged in glass containers

Compound List 3,3'-Dichlorobenzidine (91-94-1)

Compound List n-Butyltin trichloride (1118-46-3) Dibutyltin dichloride (683-18-1) Tetrabutyltin (1461-25-2) Tributyltin chloride (1461-22-9)

Attach to the column in seconds to form an airtight seal Increase column lifetime—prevent moisture and air from entering the column during storage Two styles to choose from: glass or silicone material Glass caps are color-coded for identifying detector and injector ends Not recommended for...

polar phase; Crossbond polyethylene glycol Restek’s polar-deactivated surface tightly binds the Carbowax polymer and increases thermal stability, relative to competitive columns. Because of the increased stability produced by the bonding process, Stabilwax columns exhibit long column...

Topaz GC inlet liners feature revolutionary technology and inertness to deliver you the next level of True Blue Performance: Deactivation —unbelievably low breakdown for accurate and precise low-level GC analyses Reproducibility —unbeatable manufacturing controls and QC testing for...

Compound List 2,4-D (2,4-dichlorophenoxyacetic acid) (94-75-7)

Compound List Naphthalene (91-20-3)

Topaz GC inlet liners feature revolutionary technology and inertness to deliver you the next level of True Blue Performance: Deactivation —unbelievably low breakdown for accurate and precise low-level GC analyses Reproducibility —unbeatable manufacturing controls and QC testing for...