RESTEK

Reference standards, namely, chemicals for use as reference standards in chromatographic analysis; sample preparation products, namely, extraction salts, sorbents, and absorbents

Replacement parts made of metal for chromatography instruments, namely, ferrules, column connectors, tubing, nuts, fittings, unions, plugs, injection ports, and tube end reducers

Replacement parts for chromatography instruments, namely, belts [ and electric motors ] for use in chromatography machines and turret tray assemblies; power operated tools, namely, tubing cutters, crimpers, decappers

Hand tools for chromatography, namely, hex keys, wrenches, pliers, swagging tools, screw drivers, tube cutters, brushes, reamers, tweezers, inlet liner removal tools, septum pullers, wool puller/inserter tools, needle files, hand drill sets, pipe cleaners, rethreading tools, nut drivers, tubing benders, vial crimpers and decappers, cap and seal assembly tools, seal insertion tools, jet removal tools, column scoring tools, and filter/o-ring insertion tools

Accessories for chromatography apparatus for scientific and laboratory use, namely, column heaters [ and coolers, ] degassers, gas generators and parts therefor, and gas regulators and parts therefor; gas purification supplies for scientific and laboratory use, namely, moisture and gas filters and traps for use in gas chromatography machines and filter base plates; and sample preparation products for scientific and laboratory use, namely, air canister humidifiers, [ cleaners, ] and parts therefor; magnifying glasses; capillary installation gauges; gap inspection gauges; chromatography columns and structural parts therefor; replacement structural parts for chromatography instruments; accessories for chromatography for scientific and laboratory use, namely, electronic leak detectors, electronic flow meters, [ bubble flow meters, ] tape, thermometers, mobile phase filters, overflow indicators, bottle tops and filters, cables, laboratory vial inserts, laboratory vial valves, laboratory vial caps, laboratory vial racks, laboratory vial plugs, and air diverters; replacement parts for chromatography instruments for scientific and laboratory use, namely, oven temperature sensor assemblies, tubing, non-metal ferrules, seals, o-rings, inlet liners, wool packing, and septa; lab glassware; laboratory vials; syringes for laboratory use and parts therefor; sample preparation products for scientific and laboratory use, namely, gas sampling cylinders and parts therefor for gas sampling, syringe filters, solid phase extraction cartridges and disks, solid phase extraction manifolds and replacement parts therefor, solid phase extraction empty tubes, frits, tube caps, end caps, connectors, [ disk manifolds and parts therefor, ] sample delivery systems comprising transfer lines with stainless steel weights on one end and color-coded screw fittings and polyethylene terephthalate adaptors on the other end, vacuum/pressure stations, vacuum tubing, accelerated solvent extraction cells and parts therefor, [ centrifuges, ] centrifuge tubes, tube racks for centrifuge tubes, bottle top solvent dispensers, centrifuge tubes containing [ extraction salts and ] sorbents and kits comprising centrifuge tubes and extraction salts; air monitoring products for scientific and laboratory use, namely, air collection canisters, cylinders, bags, tubes, and parts therefor and polyurethane cartridges, tripods, sampling belts, and stands