Thomas®
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Solid State Technology Solid State electrodes have solid, homogeneous sensing elements. They are more rugged and easier to clean than glass or membrane sensors. Polishing strips for the solid state sensors are included with the electrode. Thomas also offers a half-cell version that…
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Quantitative cellulose filter papers are primarily used in gravimetric analysis procedures and perform separations by entrapping particulate within the random matrix of cellulose fibers within the depth of the media. This media family is also widely used in methods to prepare samples for further…
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Filter Paper, Qualitative Grades
Thomas®Designed for general qualitative laboratory work Fast filtering speed; 25um particle retention Low retentivity, which retains coarse or gelatinous precipitates such as aluminum hydroxide, cobalt carbonate, mercury iodide and magnesium hydroxide Creped surface; thickness approximately…
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Simultaneously displays humidity and temperature Relative humidity range is 10.0 to 95% Resolution is 0.1% RH Accuracy is ±2% mid-range and ±4% elsewhere Temperature range is 0 to 199.9°F and -18 to 93°C Resolution is 0.1° Accuracy is…
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Glass Membrane Sensor High accuracy Reliable Economical Glass sensor electrodes are the best available method for measuring sodium ions. They are less expensive than solid state or dry sensing membranes and still offer a high degree of accuracy and responsiveness. …
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Tips for truly accurate sample delivery Generate reproducible results in minimal time, with minimal fuss. Our convenient, quality-tested pipette tips consistently deliver precise sample measurements in single and multichannel pipettors: Virtually eliminate sample retention with our low…
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Caustic EndPoint ID® Test Kits
Thomas®Cleaning & Sanitation Applications Our caustic test kit is used to verify the concentration levels of caustic cleaners used in the cleaning and sanitation industry. It is used to test caustic levels in HTST, evaporators, fryers, process equipment and dryers. Concentration levels are…
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Low Form Zirconium Crucibles
Thomas®Highly resistant to most reagents Soluble in hydrofluoric acid Withstands temperatures up to 900°C Low form crucible is 0.89 mm thick zirconium. Will begin to oxidize with prolonged exposure to air at temperatures above 550°C. Not recommended for use with fluoboric or…
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Temperature range is -40° to 176°F or -40° to 80°C Resolution is 0.5° Accuracy is ±1°C Minimu/maximum memory/time of day Unit dimensions are 3 9/16” x 3 9/16” x 15/16”. Sensor measures 3/16” in diameter and 1 1/2”…
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Reagent Injection Bubbler
Thomas®Allows syringe injection of reagents into a closed, vaportight bottle assembly during mercury analysis Reagents injected by needle penetration of rubber stopper diaphragm; dispersed into sample through fritted bubbler tube Ground glass joint fits into neck on standard 300 mL BOD bottle…
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Qualitative cellulose filter papers perform separation by entrapping particulate within the random matrix of cellulose fibers within the depth of the media. This media is widely used in methods requiring the determination and identification of particulate in both liquids and gas. Also, this natural…
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Consists of piston-type Teflon® pestle with stainless steel shaft and replaceable grinding vessel of borosilicate glass Eliminates ground glass from homogenate; Teflon minimizes heat generated in use Completely autoclavable Precisely controlled grinding clearance Pestles and vessels…
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Available in clear or amber borosilicate glass Choice of 0.125” or 0.100” PTFE/Silicone Septa Available in standard, precleaned or precleaned/certified in accordance with recommended E.P.A. Protocol CLASS 1: (Standard) Containers are assembled with liner and closure…
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Durac® Plus™ precision thermometers are made with permanently fused markings and fractional degrees to provide precision and ensure accuracy. Mercury free, contain blue organic liquid against lead-free white back glass Ideal for use in chemical laboratories, universities,…
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Class 10 Clean Room Industrial Blue Polyurethane Desk Height Stool in Chrome is adjustable from 16-21 inches from the top of the seat to the floor and features 360-degree, all-around control and cast-aluminum base with stationary, non-marring glides suitable for hard floors in chemical, soil, and…
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Class 100 Clean Room Industrial Blue Polyurethane medium Bench Height Chair in Chrome is adjustable from 24.75-35 inches from the top of the seat to the floor and features ergonomic adjustments including seat height and locking back tilt, built in handle for ease of movement, locking seat tilt, and…
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22- or 18-gage platinum wire gauze U-Shaped Carrier is 12 x 12 mm with a 3 mm space between sides. The 20-gage wire stem forms into loop for hanging on stopper hook in Thomas-Schoniger flask. Heavy-gage sample carrier is similar to 1233S50 Sample Carrier but with heavier 18-gage wire.
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Red Border Labels
Thomas®White, in continuous 500-inch (12.7-m) rolls imprinted with red-bordered rectangles, width x length indicated below 6260K10 provides 300 labels; 6260K15 provides 200 labels. Without dispenser.
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Our ergonomic polyurethane tractor stools feature your choice of black rolling, non-marring casters (suitable for both hard and carpeted floors) or black, non-marring bell glides (suitable for both hard and carpeted floors) on a nylon-reinforced fiberglass base. Our rugged polyurethane round seat…
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EnviroKleen™ certified thermometers feature black, non-toxic, biodegradable, Enviro-Safe® liquid. Black liquid against lead-free, yellow back glass for easy readability and fewer reading errors Ideal for use in chemical/petrochemical laboratories, universities, scientific…
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Thomas Screw Cap Septum Vials
Thomas®Vials with open top caps (9711B25, B55) Borosilicate glass Consists of screw-necked vials and 9711C10 series open-top screw caps. Septa are not supplied. 9711B25 use Septa 9711D35 9711B55 use Septa 9711D45 Screw Caps (9711C10 to C45) Open-top Phenolic Screw Caps are for use with 9711D10…
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Nonsterile MCE Syringe Filters
Thomas®Disposable Syringe Filters featuring: Polypropylene housing Leur-Lok and pressure fitting Convenient color coding system Broad filter material selection Ultrasonically bonded for reliability Mixed Cellulose Ester (MCE) Filtration of aqueous solutions; effectively…
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Class 10 Clean Room Industrial Black Polyurethane High Bench Height Stool in Chrome is adjustable from 23.5-33.5 inches from the top of the seat to the floor and features 360-degree, all-around control, chrome adjustable foot ring, and cast-aluminum base with chrome-hooded, dual-wheel,…
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Our ergonomic vinyl upholstered chairs adjust to fit most body types and workstations. Optional 6-way adjustable arm rests support a variety of arm placements for proper ergonomics. Additional ergonomic benefits include a contoured waterfall seat cushion and an adjustable back rest with lumbar…
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Class 100 Clean Room Industrial Blue Polyurethane medium Bench Height Chair in Chrome is adjustable from 24.75-35 inches from the top of the seat to the floor and features ergonomic adjustments including seat height and locking back tilt, built in handle for ease of movement, locking seat tilt,…
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Dry Contact Technology High accuracy Unlimited shelf life, can be stored dry No pre-conditioning or user maintenance required Robust, rugged and reliable Dry Contact Technology replaces traditional liquid or gel-filled ISE’s. Dry contact electrodes require no…
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Class 10 Clean Room Industrial Blue Polyurethane medium Bench Height Chair in Chrome is adjustable from 24.75-35 inches from the top of the seat to the floor and features ergonomic adjustments including seat height and locking back tilt, built in handle for ease of movement, and cast-aluminum base…
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Spectrofluorometer Cells With polished bottom for excitation through floor of cell Minimum working capacity 3 mL Cells can also be used for absorption measurements through 10 mm light path Cells have all four sides and bottom polished; 8429N30 furnished with Teflon cover, N19…
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Set program in less than 5 seconds Two models Model 1 has an “on” interval setting of 0.01 to 99.99 seconds, 1 minute to 9999 minutes or 1 hour to 9999 hours. Model 2 has separate “on” and “off” interval settings of 1 second to 99 seconds, 1…
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Class 100 Clean Room Industrial Blue Polyurethane High Bench Height Chair in Chrome is adjustable from 24.75-35 inches from the top of the seat to the floor and features ergonomic adjustments including seat height and locking back tilt, built in handle for ease of movement, locking seat tilt,…
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Our ergonomic vinyl upholstered chairs adjust to fit most body types and workstations. Optional 6-way adjustable arm rests support a variety of arm placements for proper ergonomics. Additional ergonomic benefits include a contoured waterfall seat cushion and an adjustable back rest with lumbar…