Academia, University Teaching & Research Laboratories

Benchtop centrifuges for teaching practicals and research groups, from microtubes and PCR strips to 1 litre swing-out loads, with refrigerated versions for proteins and cells.

Manufacturer / SupplierExcelsior Scientific Ltd (UK) · Pharma+ benchtop centrifuge range

Centrifuges

Designed by analytical chemists and laboratory scientists, with over 25 years of centrifuge manufacturing behind it. Capacities run from micro to 4 litres, all with bright blue touch screen LCD displays and ω²t as standard for full run repeatability. All centrifuges and rotors carry a 2-year warranty.

• Through Flow Air System: keeps samples and motor cool in ambient models, allowing longer run times.
• Dynamic Efficiency Control refrigeration: compressor hot-gas bypass with PID valve control holds set temperature to 0.5°C, compared with 3.5°C for on/off controlled competitors, while cutting power use by 25%.
• Rotors built for chemical resistance: salt-saturation tested stainless steel bowls, CNC-machined polypropylene fixed-angle rotors, and double-anodised aircraft-grade aluminium swing-out and high-speed rotors.
• Operator features: rotor recognition, 10 acceleration and 10 deceleration rates, 99 program memory, pulse short run, speed in rpm or RCF in 1 rpm steps, sound below 60 dB.
• Safety: multi-point lid locking, emergency lid release, lid lock and imbalance detection, overspeed sensor, barrier ring, and motor overheat sensor.
• Class 3 containment: hermetically sealable rotor buckets are available for work in Class 3 containment areas.

Portable and benchtop autoclaves for culture media, glassware, and waste in teaching and research labs, with indicators to prove every cycle.

Manufacturer / SupplierThe Rodwell Autoclave Company (UK) · Excelsior Scientific Ltd (UK)

Advanced internal load monitors providing distinct, irreversible color conversions to verify cycle parameters instantly at a glance. Shipped with a long 5-year shelf life in boxes of 250 strips carrying formal ISO 11140-1 marked labels.

Incubators for microbiology practicals, climatic chambers and phytotrons for plant science and seed germination, BOD incubators for environmental science, drying ovens for glassware, and storage down to -86°C for research samples.

Manufacturer / SupplierExcelsior Scientific Ltd (UK) · thermostatic laboratory equipment

Thermostatic equipment

Heated incubators from 5°C above ambient up to +100°C, in 15 to 1005 litre sizes, with natural or forced air convection and stainless steel interiors.

• Applications: incubation of samples for microbiological examinations, antibody testing, bacterial research, cultivating thermophilic bacteria, crystallisation studies, pharmaceutical stability testing, and thermal resistance of pigments and lacquers.
• Standard equipment: USB and RS 232, stainless steel shelves, test certificate at +37°C, open door alarm, and an air flap.

Thermostatic equipment

Heated and cooled incubators that hold a stable temperature from +3°C to +40°C (up to +70°C as an option) regardless of room conditions. Single, double, and triple chamber versions, with photoperiodic (FOT) or phytotron (FIT) day/night lighting options.

• Applications: BOD determination, microbiological research, plant growing and microorganism breeding at set temperatures, and storage of liquids and samples for physicochemical analysis.
• Programs: six-segment temperature-time profiles, 3 user programs, start delay up to 99:59 h, and min/average/max recording per segment.

Thermostatic equipment

Chambers that hold temperature from -10°C to +60°C and humidity from 30% to 90% RH, with optional day/night lighting (FIT phytotron system) up to 15,000 lux per shelf. TOP+ control with a 5.7" colour touch screen and Ethernet remote control.

• Applications: photostability tests, drug metabolism, life and exposure studies, tests of building materials, food preservation experiments, plant and fungus growing, seed germination, microorganism and insect breeding.
• Standard equipment: double door (solid outside, glass inside), USB and RS 232, stainless steel shelves, deionised water and waste water containers, open door alarm, 30 mm access port, and a test certificate at 25°C and 60% RH.
• Protection: over-temperature class 3.3 to DIN 12880.

Thermostatic equipment

Compressor-free incubators cooled by Peltier elements, from +15°C to +70°C (+100°C in TOP+).

• Advantages: quiet, vibration-free operation with no refrigerant, lower weight and power use, and excellent temperature stability and recovery after door opening.

Thermostatic equipment

Drying ovens reaching from 5°C above ambient up to +300°C, with natural (SLN) or forced (SLW) air convection, acid-proof DIN 1.4301 stainless steel interiors, and 0.1°C resolution.

• Applications: thermal resistance analysis of building materials and electronic components, ageing and curing, drying of laboratory glass, vulcanization studies, conditioning, digestion of proteins, drying of plant tissues, drug metabolism, life and exposure studies, serum protein analysis, and suspended solids evaluation.
• Protection: over-temperature class 2.0 to DIN 12880, with class 3.1 as an option and standard in TOP+.

Thermostatic equipment

Single or double chamber laboratory refrigerators from 0°C to +15°C, with -10°C to +15°C available as an option. Forced air convection, defrosting, and microprocessor time and temperature control.

• Applications: storing water and sewage samples and piezometer leachate, AAS, GC, and HPLC calibration standards, reagents, and chemicals.
• Standard equipment: solid door (glass optional), RS 232, wire shelves, and a test certificate at +4°C.

Thermostatic equipment

Freezers from -25°C to 0°C (ZLN 85) and -40°C to 0°C (ZLN-T and ZLW). ZLW models use forced-air "no frost" operation, so they never need manual defrosting.

• Applications: long-term storage of samples and biological material, storing easily decomposing material, pre-freezing, and freeze resistance tests of building materials such as concrete and wood.

Thermostatic equipment

Ultra-low freezers from -40°C down to -86°C for deep freezing of biotechnological samples, with separate internal solid doors for each compartment and stainless steel drawer racks.

• Performance: cools from +20°C to -80°C in 3.5 hours; takes 1.5 hours to warm from -80°C to -60°C after a power failure.
• Options: spare controller batteries, alarm output, and an extra port for CO₂ and Pt100 backup.

Thermostatic equipment

Every Excelsior thermostatic unit uses a PID microprocessor controller. All products can be supplied with a calibration certificate from an accredited measurement laboratory and with IQ, OQ, and PQ qualification.

• STD controller: LCD graphic display, six-segment profiles, 3 user programs, alarms, power failure recovery, and memory for 2,046 data records.
• TOP+ controller: 5.7" colour touch screen, up to 100 program segments, 20 user programs, user accounts with login, password-protected settings, 4,100 records per user, USB export, and remote control over Ethernet or the internet.
• EasyLab software: EasyLab Basic downloads stored data to a PC free of charge; EasyLab Professional adds continuous logging, charts, reports, and TOP+ programming.

GC consumables, syringes, and certified standards for instrumental analysis courses and research groups running GC, LC, and ICP.

Manufacturer / SupplierTrajan Scientific / SGE Analytics · SCP SCIENCE · Chem-Lab

Optimized for seamless cross-platform compatibility with Agilent, Shimadzu, PerkinElmer, and Thermo Scientific gas chromatography systems.

• BP1 & BP5 / BP5MS: Classic non-polar 100% dimethyl polysiloxane and 5% phenyl-siloxane technology optimized for routine hydrocarbons, environmental organic pesticides, industrial solvents, and initial analytical validation runs.
• BP20 (WAX) & SolGel-WAX™: Elite high-polarity polyethylene glycol fields cross-linked in robust Sol-Gel matrix grids, forming the global standard for complex fragrance, flavor, residual solvent, and essential oil testing without phase degradation.
• Specialized High-Temperature & Polar Phases: HT5 polycarborane-siloxane (10°C to 380/400°C) for petroleum simulated distillation; HT8 and HT8-PCB for PCB congener separations; BPX70 for FAME and cis/trans isomers; BPX90 as a highly polar bonded phase; BP624 for EPA 624, 8240 and 8260 volatiles; BP21 (FFAP) for low-molecular-weight acids.
• Operating Ranges: BP1 −60°C to 340/360°C, BPX5 −40°C to 360/370°C (suits over 80% of routine work and GC-MS), SolGel-1ms™ 0°C to 340/360°C and SolGel-WAX™ 30°C to 260/280°C. Columns can be ordered with a 5 m integrated guard joined by a SilTite μ-Union.
• BP BOND PLOT Columns for Gases: BP BOND Q (100% divinylbenzene, −100°C to 300/320°C) for volatile solvents and hydrocarbons; BP BOND U (to 300°C) for trace H₂S, COS and mercaptans in hydrocarbon streams; BP BOND Molsieve 5A for permanent, refinery and natural gases, separating argon and oxygen at ambient temperature with up to 75% shorter runs than packed columns.

• FocusLiner® Target Matrices: Engineered with locked geometry internal quartz wool steps that cleanly wipe syringe needle tips, arresting aerosol droplet formations and removing high molecular weight compound discrimination. Advanced deactivation treatments executed at temperatures exceeding 400°C secure a long-term chemical inertness layout, making it perfect for active, polar, and heat-sensitive trace analysis.
• MN & HT Septa Upgrades: MN grade septa are pre-pierced for autosamplers to reduce coring, last up to 400 injections and are rated to 350°C. HT grade septa use BTO silicone rated to 400°C and stay soft and pierceable at high temperature (ratings for 11 mm septa). GP grade (275°C) covers low-temperature work and EC grade (350°C) gives low bleed and long injection life. EC, MN and HT grades carry a non-stick coating that reduces sticking in the inlet, eases replacement and stops dust building up. Plug-style septa are made for Shimadzu GCs.
• Colour-Coded Liner Geometries: Taper/gooseneck (splitless), split, FocusLiner, Tapered FocusLiner, ConnecTite™ direct, straight and double-taper PTV/LVI liners, each colour coded by injection technique. Wool is deactivated in place so it is never handled afterwards. Liners, O-rings and graphite sealing rings (to 450°C) are listed for Agilent, PerkinElmer, Shimadzu and Thermo Scientific inlets.

• Instrument-Matched: Built to the fit, form and function of Agilent (7693A, 7683, 7650A, 6850ALS), CTC Analytics, PerkinElmer, Scion, Shimadzu and Thermo Scientific autosamplers, with ±1% accuracy and reproducibility (±2% for 0.5 and 1 µL).
• Colour Coded by Volume: Plunger buttons are coloured by capacity, from 0.5 µL to 10 mL, so the installed syringe can be identified at a glance. Cone tips extend septum life; Superflex™ titanium/nickel plungers resist bending.

• PTFE/PE Tipped Plungers: Gas-tight syringes from 10 µL to 100 mL, plus Jumbo gas syringes of 0.5, 1 and 2 L for air sampling, featuring replaceable, easily wiped plunger ends perfect for volatile gas headspace injections and high-contaminant samples.
• NanoVolume Plunger-in-Needle: Built to submicron tolerances to eliminate needle dead volume, drawing samples strictly into the needle core to accurately inject quantities as low as 0.05 µL (50 nL), in 0.5, 1 and 5 µL sizes with ±2% accuracy. A repeating adaptor pre-sets the volume for repeat injections.
• Luer Lock, Luer Tip & Valve Syringes: Gas-tight syringes from 50 µL to 100 mL with universal Luer connections; valve versions let samples be stored and carried from the field to the lab.
• Care & Cross Reference: Needle cleaning kit with stylet wires, tweezers and barrel cleaner (031782), and a Hamilton cross-reference so existing part numbers map directly to SGE equivalents.

• Point-of-Use Filters: Oxygen filter (150 mL O₂ capacity, outlet below 50 ppb, green to grey indicator), moisture filter (7.2 g water, below 0.1 ppm, green to pale brown), hydrocarbon filter (below 0.1 ppm) and a combined carrier gas filter, all rated at 1 to 10 L/min.
• Connecting Units & Kits: Bench or wall mounted units in 1, 2 and 4 positions for 1/4" and 1/8" lines, plus a carrier gas kit and a four-filter FID kit. Fast stabilisation cuts helium use and keeps moisture out of GC-MS and column phases.
• Big Trap: Heavy-wall aluminium bulk purifier with 750 cm³ capacity, rated to 250 psig, in hydrocarbon, moisture, oxygen and universal versions for supplying several instruments from one source.

• eVol® xR Digital Analytical Syringes: Handheld electronic analytical syringe taking interchangeable 5 µL, 50 µL, 100 µL, 500 µL and 1 mL eVol syringes. Accuracy is ±0.2% for a calibrated syringe at full volume (±0.7 to 1.0% uncalibrated) and precision ±0.3 to 0.5% at full volume. Fully traceable for modern GMP/GLP documentation compliance.
• MEPS® Microextraction by Packed Sorbent: SPE shrunk to microlitre beds inside a barrel insert and needle (BIN) on a 50, 100 or 500 µL eVol MEPS syringe, so extraction and injection happen in one syringe and prep drops from hours to minutes. Phases C18, C8, C2, APS, HVDB and SDVB, with LC (22 gauge) or GC (23 gauge cone) needles.
• EasyPREP Sample Handler Systems: High-throughput laboratory robotics engineered to automate routine liquid manipulations, including automated dispensing, precise sample aliquoting, sample serialization, normalization, and liquid transfers.

• EPA Regulated Method Mixes: Cost-effective pre-blended standard solutions designed for U.S. EPA Methods 200.7 (Water and Wastes by ICP-OES), 200.8 (ICP-MS Groundwaters), and 6010c (Soils and Industrial Sludges).
• Custom Multi-Element Standards: Individually formulated combinations prepared in an A2LA accredited ISO 17025 facility within 72 hours, tracking density metrics and exact weight/weight and weight/volume units.
• USP <232/233> & 2232 Compliance Mixes: Specialized Elemental Impurities Standards matching permissible oral and parenteral daily dosages for dietary supplement and pharmaceutical validations.
• PlasmaTEST Calibration & Verification Kits: Comprehensive diagnostic instrument control sets (RQC-1 and RQC-2 matrices) designed to evaluate spectrometer warm-up times, plasma robustness, repeatability, and resolution.

• Ultra-Low Impurities: High-purity trace chemical acids (Nitric, Hydrochloric, Hydrofluoric, and Sulphuric) manufactured for sample preparation digestions. PlasmaPURE Plus grade keeps trace metal impurities below 0.01 ppb in most cases, packed in pre-leached Teflon bottles for ultra-low trace evaluations below 1 ppb.
• Ready-To-Use Matrix Blanks: Pre-prepared blank solutions (e.g., 5% v/v HNO₃ or 5% v/v HCl) using 18 megaohm double-deionized water to expedite accurate background subtraction calibration curves.

High-purity acids, bases and water from Chem-Lab, an AnalytiChem company, with metal specifications in the ppb and ppt range. Produced from selected raw materials and ultrapure water, filled in clean rooms, and tested by ICP-MS in Chem-Lab's own ISO 17025 accredited laboratory, with a detailed Certificate of Analysis for each lot.

• Pico-Pure (low ppb, HDPE bottles): Nitric 67–69%, hydrochloric 30% and 34–37%, hydrofluoric 47–51%, perchloric 65–71%, sulfuric 93–98%, acetic ≥99% and ammonia 20–22%, in 500 mL, 1 L and the new 2.5 L sizes.
• Pico-Pure Plus (ppt level, FEP bottles): Nitric, hydrochloric 32–35%, hydrofluoric, hydrobromic 44–49%, perchloric, sulfuric and acetic acids, ammonia, hydrogen peroxide 30–32% and ultrapure water, in 250 mL to 1 L.
• New 2.5 L bottle: Fluorinated bottle with low permeation, an integrated ergonomic handle, a drip-free pouring lip, and UN approval 3H1/X1,9/250. Lighter than glass and safer than welded handles.

Cell expansion, flasks, and filtration consumables for biology and biomedical research groups.

Manufacturer / SupplierJet Biofil (Guangzhou Jet Bio-Filtration Co., Ltd)

• CellFac® Multi-Layer Cell Culture Systems: Multi-layer vessels in 1, 2, 4, 5, 10, 20 and 40 layer versions with five surface types (non-treated, TC-treated and specialised treatments), made from medical-grade PS in an ISO Class 7 cleanroom to streamline large-scale therapeutic protein and vaccine bioprocess production.
• Contamination-Free Closed Bottle Interconnects: Specialized two-port and three-port closed-system caps matched to PETG/PET media bottles, using MPC connectors, FLL connectors, and heat-sealing ports to isolate fluid transfers.
• Large-Capacity Erlenmeyer Scaling Flasks: Plain and baffled flasks from 125 mL to 1 L and in 2 L, 3 L and 5 L sizes, in polycarbonate or PETG, with an optional handle on the 5 L flask.

• Vacuum Bottle Filters: Sterile bottle-top and tube-top vacuum filters with PES membranes at 0.10, 0.22 and 0.45 µm for culture media, sera and reagents, irradiation-sterilised to SAL 10⁻⁶. Syringe filters come in MCE, nylon, PVDF, CA, SFCA and PES.
• Centrifugal Spin Filters: JetSpin® PES centrifugal filters (0.5, 5 and 15 mL) at 3 to 100 kDa MWCO for protein and nucleic acid concentration. PES ultrafiltration membranes extend to 300 kDa.
• PureFlow™ Capsule Sterilizing Filters: Single-use capsule filters for sterilising bioprocess media and buffers, in four sizes from 122 to 340 mm high.

High-vacuum pumps, leak detectors, and residual gas analyzers for physics, surface science, thin film, and materials research.

Manufacturer / SupplierLeybold Vacuum Components

• TURBOVAC i/iX Hybrid Bearing Turbomolecular Series: Advanced high-vacuum generators providing pumping speeds up to 1,450 l/s, utilizing mechanical/permanent magnetic hybrid bearing networks installable in any orientation.
• PHOENIX 4 Helium Leak Detectors: The highest standard in helium leak detection components testing, for mobile or stationary vacuum and sniffer testing, with USB data logging, a colour touchscreen and an integrated webserver for secure Wi-Fi remote operation.
• LEYSPEC Residual Gas Analyzers: All-in-one compact mass spectrometers tracking 100, 200, or 300 amu data blocks, mountable in any orientation with standalone on-board displays to spot trace chamber contamination. Bakeable up to 300°C; the LEYSPEC Cart adds its own SCROLLVAC 7 plus and TURBOVAC 350i pumping.

• Oil-Sealed Rotary Vane Pumps (SOGEVAC & TRIVAC Lines): SOGEVAC single-stage pumps deliver 10 to 840 m³/h down to ≤ 5 · 10⁻² mbar, and TRIVAC dual-stage pumps reach 10⁻⁴ mbar (TRIVAC B, 4 to 65 m³/h). Both feature dynamic shaft seals, integrated exhaust filtration with oil loss under 1 ppm, and ATEX (2014/34/EU) or O₂-compatible versions.
• ECODRY plus Multi-Stage Roots Pumps: 100% oil-free and particle-free compact vacuum generation (25, 35, 45 and 70 m³/h) in one compact frame under 30 kg, with adaptive speed control via a Leybold gauge. The ECODRY 40 and 65 plus variants have the lowest noise level in their class.
• SCROLLVAC plus Dry Scroll Pumps: Universal dry roughing solutions with whisper-quiet, low-vibration operation in four sizes (SCROLLVAC 7, 10, 15 and 18 plus), single or three phase.
• VARODRY and LEYVAC Dry Screw Pumps: Rugged dry screw pumps with no process oil migration, reaching ≤ 1 · 10⁻² mbar. VARODRY is fully air-cooled at 65 to 200 m³/h, and LEYVAC is hermetically sealed for hazardous gases at 80 to 160 m³/h.
• Multi-VAControl & CAB Automation Modules: Intelligent electronic smart management frameworks that link multiple variable or fixed-speed pumps concurrently, optimizing energy usage on-demand via integrated PLC touch panels.