Catalogue · Instruments

Sample Preparation & Mixing

Magnetic and overhead stirrers, hotplates, vortex and tube mixers, homogenisers, sonicators, ultrasonic cleaners, rotary evaporators and digestion systems.

20 categories · 244 published records. The catalogue we can supply is broader than the catalogue we publish — send us the item if you cannot find it.

Before you order

The distinction that gets missed here is between an ultrasonic cleaner and a probe sonicator. A bath cleans glassware and degasses solvent; it will not lyse cells or disperse a nanoparticle suspension, because the energy is spread through the whole tank. A probe delivers that energy into the sample and will do the disruption — and will also heat the sample, foam protein and need an ice bath and a hearing-protected space. They are not substitutes at any price. Same logic for stirring: a magnetic follower slips in anything viscous, which is where an overhead stirrer starts.

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What laboratories usually order alongside this.

Ovens, Furnaces & Incubators

Hot air ovens, muffle and high-temperature furnaces, water baths, stability chambers and refrigerated equipment.

Analytical Instruments

Balances, pH and conductivity meters, spectrophotometers, titration apparatus, extraction and digestion systems.

Microbiology & Sterilisation

Autoclaves, laminar air flow cabinets, BOD and bacteriological incubators, colony counters and aseptic handling equipment.

Why we publish the standard revision, not just the number.

Testing instruments are bought against a method, and a method is written against a standard. When that standard is revised, the old number stays in circulation for years — sometimes decades — because catalogues copy each other and nobody re-checks.

Three examples currently live across this industry: ASTM D1559 for Marshall stability, withdrawn in 1998. ASTM D422 for hydrometer analysis, withdrawn in 2016. IS 13311 for non-destructive concrete testing, absorbed into the IS 516 family in 2018. All three still appear on product listings you can buy from today.

That matters commercially, not just pedantically. If your quality manual cites a withdrawn standard, a NABL assessor will raise it, and the fastest way that error enters a manual is by being copied off a supplier’s specification sheet.

On qualification: for pharmaceutical customers, the documentation is half the purchase. GMP-specification equipment differs in its contact surfaces, its control system, its printed cycle records and its IQ/OQ/PQ protocol set. Specify that requirement at enquiry stage — retrofitting it after installation costs more and delays qualification.

On site preparation: compression testing machines, ductility baths, abrasion machines and large ovens need foundations, three-phase supply, drainage or extraction. We issue the foundation drawing and utility schedule with the quotation so the civil work can run in parallel with the delivery lead time rather than after it.