Sample Preparation Products & Reviews

Functional groups, such as octyl (C8) and octadecyl (C18), can be bonded to the silica surface to provide non polar interactions.  Each of these sorbents exhibits unique properties of retention and selectivity for a particular analyte.  The choice of which sorbent is best for a particular method will be influenced by the percent recovery of analyte from the sample matrix and the cleanliness of the resulting chromatography.

Functional groups, such as octyl (C8) and octadecyl (C18), can be bonded to the silica surface to provide non polar interactions.  Each of these sorbents exhibits unique properties of retention and selectivity for a particular analyte.  The choice of which sorbent is best for a particular method will be influenced by the percent recovery of analyte from the sample matrix and the cleanliness of the resulting chromatography.

This mixed phase chemistry, in which two primary modes of attraction are present, allows for a more efficient and selective extraction compared to traditional reversed phase techniques.  Neutral and ionized analytes can be simultaneously extracted from a complex mixture and eluted as separate fractions. A mixed phase sorbent offers the following advantages: Eluting acidic and neutral analytes separately from basic analyt…

This chemistry promotes high retention of a wide range of analytes, reducing method development time and facilitating a generic approach to sample preparation.

The Empore™ High Performance Extraction Disk Plate differs in design from plates offered by other manufacturers and requires a specific vacuum manifold.  Manifolds supplied by different plate manufacturers are specific to the design of their plates and cannot generally be used with plates from other manufacturers.  In some cases, the use of spacers to raise/lower the height of a collection device inside the manifold may overco…

Replacement gaskets are available with the vacuum manifold assembly.  The gasket can become worn over time and the seal between the plate and the manifold will be affected.  This may result in poor vacuum pressure and negatively effect flow rates.  The gasket should be checked regularly and replaced when it becomes worn.

EmporeTM Tape Pads are intended for sealing unused portions of a 96-well solid phase extraction plate during vacuum processing to enable vacuum to be uniformly applied to each well being used.  Use a clean sheet each time for maximum sealing ability.  Note: these tape sheets are not intended for sealing collection plates prior to sample injection because the adhesive may clog the injection needle.

Empore Filter Aid 400 has been shown to improve flow rates and recoveries for separation and filtration of water samples containing suspended solids.  When placed on top of the Empore™ Extraction Disk at a depth of about 1 cm, Empore™ Filter Aid 400 acts as depth filter to inhibit the migration of suspended solids to the surface of the disk.  This reduces extraction time and improves rates and recovery of analytes.

Rocket Evaporators use patented vacuum technology to evaporate solutions to dryness, or a concentrate, rapidly and safely. The latest Synergy series offers integrated, flexible solutions for processing a wide range of sample volumes. Interchangeable rotors will accommodate tubes, flasks and batch volumes of up to 100L. Rocket Synergy is designed primarily to quickly process larger volumes of solvent in parallel and witho…

Fits plastic or glass media bottles with 33mm neck sizes. Cellulose acetate (CA) membranes provide fast flow rates and low protein binding and are good for filtering cell culture media. Angled hose connector simplifies vacuum line attachment. Individually packaged, sterile and certified nonpyrogenic. Each system has the membrane material and pore size printed on the unit and is color-coded by membrane type for easy produ…

Reduced breakdown liners Our improved injection port liner reduces breakdown of endrin and DDT during injections while increasing the interval between liner changes. The problem DDT and Endrin are easily degraded in the injection port; with non-deactivated liners and those filled with non-deactivated glass wool, Endrin breakdown can be as high as 98%. EPA method 8081A states "If degradation of either DDT or Endrin exceeds 15%,…

DisQuE Dispersive Sample Preparation is a well proven, high throughput sample preparation method for a wide array of pesticides in produce. The kit contains conveniently packaged vials with pre-measured sorbents and buffers used to provide extraction and clean-up for up to 100 samples. Each 50 mL DisQuE Extraction tube contains 6 grams of magnesium sulphate and 1.5 grams of sodium acetate. Each 2 mL DisQuE Clean-Up tube cont…

The innovative Omni Prep Multi-Sample Homogenizer supports simultaneous homogenization of up to six samples in a single process in sample tubes ranging from 1.5 mL to 50 mL. The Omni Prep microprocessor control allows the user to program both time and speed for processing up to 10 minutes at variable speeds up to 30,000 rpm. The oscillating sample rack mimics manual homogenization by transitioning the generator probes through…

The latest development in high shear lab mixing – the new Silverson L5 Series – is ideal for all laboratory work, research and development, QA analysis and small scale production in all industries. The L5 Series Laboratory Mixer is suitable for the widest range of applications – mixing, emulsifying, homogenising, disintegrating and dissolving – with an efficiency and flexibility unmatched by other machines. With a capacity…

The large capacity SC154 Hot Block will digest up to 54, 50mL samples simultaneously in just a 15 X 21.5" footprint. Constructed of Graphite and Kydex® the corrosion-resistant SC154 was designed for environmental and other acid digestions prior to metals determinations. The SC154 uses a maximum of 1065 watts of power and will maintain sample uniformity to ±1.5°C. Heat is provided by a low-wattage heating mat that provides extr…

Fits plastic or glass media bottles with 45mm neck sizes. Cellulose acetate (CA) membranes provide fast flow rates and low protein binding and are good for filtering cell culture media. Angled hose connector simplifies vacuum line attachment. Individually packaged, sterile and certified nonpyrogenic. Each system has the membrane material and pore size printed on the unit and is color-coded by membrane type for easy produ…

Labnet's Revolver accepts a variety of tube sizes and mixes them horizontally, vertically, or any position in between. Changing the mixing angle is easy, simply turn the rotisserie. No tools are required. Interchangeable rotisseries accept tubes from 1.5 ml to 50 ml. Each rotisserie is split into two halves. Each of the halves can be exchanged to mix more than one tube type at the same time. Each rotisserie half can be rotated…

Efficient processing of liquid volumes up to 20 litres • Supor membrane has high flow rates and throughputs, and is ideal for solutions where low protein binding is required. Not recommended for use with some ketones. • Built-in prefilter extends filter life when viscous or particulate solutions such as serum-containing media are processed. • Upstream air vent prevents vapor lock. • Manufactured without the use of adhesives to…

Fast, final filtration and high throughputs for liquid volumes up to 150 litres • Provides higher throughputs and faster flow rates than similarly-sized competitive devices. • Ideal for solutions requiring low protein binding. • Saves money by increasing throughput with available built-in prefilter. • 100% integrity testing assures sterile filtrate. • 0.1 µm Supor membrane version ensures sterile, mycoplasma-free cell culture…

Designed for processing volumes up to 150 litres • Fluorodyne II membrane is a hydrophilic polyvinylidene fluoride (PVDF) that offers higher flow rates with low protein and preservative binding, with broad chemical and temperature resistance.

High air flow rate venting applications • Exhibits high air and liquid flow rates provided by 300 cm2 PTFE membrane. • Offers broad chemical compatibility provided by PTFE membrane and polypropylene housing. • 100% integrity tested to provide the high level of confidence you require.

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