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144188195215245280

Inventys Research Company

Mumbai, Maharashtra
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Gel Permeation & Size Exclusion Chromatography

Providing you the best range of Light Scattering Detector, SEC-3010 RI Detector, SEC-3010 Differential RI / Viscometer, Molar Mass Sensitive Detectors, SEC-3010 Pump and SEC-3010 Autosampler with effective & timely delivery.

Light Scattering Detector
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The BI-MwA Molecular Weight Analyzer is simple to use, but incorporates sophisticated features. Inject your sample into the low-volume, 7-angle flow cell. The sample is illuminated by a temperature stabilized, precision power-controlled diode laser. The ultra-stable, high-sensitivity, low-noise CCD detector automatically collects the scattered light. Then, the software extrapolates the data to zero angle for the absolute molecular weight determination.

Features at a glance :

  • Multi angle, laser light scattering detector for SEC/GPC or stand alone use
  • Proteins & polymers
  • Polysaccharides & biopolymers
  • Study protein aggregation, oligomerization & complex formation
  • Mn, Mw, Mz, Rg, A2
  • Small footprint, stackable
  • RI and Viscosity detectors optional

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SEC-3010 RI Detector
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SEC-3010 RI Detector

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Undoubtely is a DRI (differential Refractive Index) the most common detector in gel permeation chromatography GPC/SEC applications. The typically excellent sensitivity and ability to detect all kind of componds make it perfect for general concentration detection of non-UV absorbing compounds. Unlike most refractometers available, our SEC-3010 DRI operates with a monochromatic light source (620, 535 or 470nm), the most important feature when determination of dn/dc is of interest, as in case of coupling with SLS or determination of absolute concentration.

The SEC-3010 DRI detector is therefore best suited to deliver concentration information as a single detector or in a multidetector SEC-System coupled with a Light-Scattering Detector or a Viscometer. The unsurpassed sensitivity and low baseline noise are the result of superior thermal and electronic stability, which also assures long term reproducibility of results as required in GPC/SEC.

  • Monochromatic source 
  • 620, 535 or 470 nm 
  • Available dn/dc in SEC

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SEC-3010 Differential RI / Viscometer
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A true Dual-Detector, differential refractometer (RI) and viscometer, the only one of this kind available. Not just two detectors in one common housing, but our unique patented design. The refractometer is integral component of the viscometer bridge, measurement of concentration AND viscosity take place on the exactly same sample segment, at the very same time. Compared to the more common "external" connection of the two detectors, the SEC-3010 Dual-Detector provides a factor of 2 to 5 higher sensitivity, near ZERO delay volume and unsurpassed overall performance.

Unlike other viscometer designs, there is no need to wait for the sample "breakthrough" (the negative signal you must expect after each injection) or to adapt an "internal delay" to the number of size exclusion chromatography columns you use.

The Dual-Detector will match any application you might think of, with any solvent, at any temperature up to 80°C.

  • Dual detector
  • Zero dead volume
  • Highest sensitivity
  • Up to 80 °C

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Molar Mass Sensitive Detectors
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Many SEC/GPC Applications do not require molar mass sensitive detectors, a single concentration detector (mostly a DRI) is sufficient. The SEC-3010 ENTRY-AS is designed for these applications. Our Pump, autosampler, our Refractometer and ParSEC Standard are build the perfect system for these applications. Combine with the pure GPC chromatography columns you need, a handful of standards and the system will provide superior performance day by day, year after year.

  • Concentration

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SEC-3010 Pump
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SEC-3010 Pump

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GPC/SEC represents an extraordinary challenge for pumps. We expect a pump to deliver a constant, accurate, pulseless flow of agressive solvents 24 hours/day, 365 days/year and we want to perform complex calculations based on retention volume. This is the reason why a GPC/SEC pump is NOT an HPLC pump. The requirements are simply different and in GPC/SEC applications they are much tougher.

The SEC-3010 pump is manufactured to master the most demanding situations. Titanium, stainless steel, sapphire, ruby and PTFE are the only materials in contact with solvent. This choice ensures an almost unlimited lifetime of the components. The two piston are driven by individual drives allowing active, dynamic control of pulsation with no need of correction factors for different solvents, resulting into breathtaking quite baselines of all connected detectors.

We consider a degasser a must, so we included the best single channel vacuum degasser into our pump. And we also included an active piston backflushing; who works with heavy salt load in their solvent, knows the value of this feature.

  • Pump
  • Degasser
  • Active Backflush

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SEC-3010 Autosampler
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SEC-3010 Autosampler

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Autosampler are expected to performe accurate and highly reproducible sample injections at programmable times. The SEC-3010 Autosampler with its caroussel for 90 vials, will overfulfill exactly these expectations and deliver also a precisely defined sample volume. This function is very important when molar mass sensitive detectors are used then the absolute value of the injection volume is a term in the results leading equations. Equipped with two needles, one for septum-piercing the second to aspirate the sample, this unit is able of reproducible multiple injection out of the same vial.

Despite its small footprint of 360x180x380mm (14x7x15") the Autosampler includes a column oven for temperatures up to 80 °C and enough room for at least four standard 300x8mm GPC/SEC columns. Of course, the injection valve and sample loop are located in the column oven to assure temperature continuity.

Some other small details round-up this instrument like automatic recognition of an empty vial so that no air is injected into the column or controlled exhaust of solvent fumes when flushing. In case your application involves proteins and you want to keep your samples at 5 °C and avoid degradation, yes, we have sample cooling option too.

  • Autosampler
  • Column oven

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MX II Injector
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MX II Injector

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Rheodyne MX Series II are automatable (motor driven) injection valves for liquid chromatography. The modular Valves of the MX II Series fulfill the variable requirements of SEC applications. These Valves are the efficient solution for superior analytical methods in day-by-day applications.

There are different ways to control the MX II Valves: by contact closure, BCD, serial or USB or manually with a button on the front panel.

However, they can be directly interfaced to any instrument of the SEC-3010 series (we supply appropriate connections), thus operated via the touch-panel of the instrument.

  • Injector

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SEC-3010 UV Detector
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SEC-3010 UV Detector

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UV detection is probably one of the oldest techniques in chromatography and of undiscussed value. Applications in size exclusion chromatography GPC/SEC are usually limited, as most synthetic polymers do not absorb UV light. However, there are cases where UV is of great help, for co-polymer analysis for example, or in order to detect low molecular weight impurities.

The SEC-3010 UV detector is a rapid scanning instrument able to detect absorption at up to two wavelengths (between 190 and 740 nm) simoultaneously. This allows to detect compounds with different UV characteristic at the same time. The unit fits nicely in any other GPC/SEC system and of course can be also added to our SEC-3010 Systems.

  • 190-740 nm
  • Rapid scanning

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GPC / SEC Columns
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GPC / SEC Columns

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Whatever detection technology you have selected, columns are still the heart of a GPC/SEC system. Challenging applications and requirement for excellent results, can only be fullfilled with appropriate columns able to separate the compound under investigation with the highest possible resolution and absence of interactions. WGE is now able to offer a full range of GPC/SEC columns with excellent properties and lifetime.

The PureGPC Columns family consists of five different column types to match different applications. Within each type, a selection of individual poresizes is available as well as a screening column for methods development.

PureGPC-ACQ
– for acqueous applications, including polyanions

PureGPC-PROT
– for separation of proteins

Pure GPC-ORG
– common organic eluents as THF, Toluene, CH2Cl2, CHCl3

Pure GPC-MPOL
– for medium polar eluents like DMF, DMAc, DMSO

Pure GPC-HFIP
– for HFIP and other organic polar solvent

We focused on individual pore sizes as required by demanding applications.If in doubt about which column fits your needs best, contact our experts, they will support you finding the right choice.

  • Organic solvents
  • Acqueous solvents
  • High resolution

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Starter Tool Kit
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Starter Tool Kit

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The Starter Toolkit contains all components needed, like tools, tubings and connections, to set up a complete GPC/SEC chromatography system, from the most simple one to the most parts consuming parallel coupling in a multidetector environment.

  • Tools
  • Tubings
  • Connections

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Exclusion Chromatography
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Exclusion Chromatography

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Consumables is the correct term for these items as they happen to miss when you need them most (somebody told me that the vapour pressure of tools is extremely high, they simply disappear). We offer chromatography grade stainless steel capillary tubings in standard 1/16" outer diameter and different ID's, ferrules and nuts, t-pieces, connectors, autosampler vials, and and and...
You do not have to purchase a new starter kit every time a ferrule is missing. Simply get in touch with us.

  • Tools
  • Tubings
  • Connections

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Polymer Standards
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Polymer Standards

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As in case of columns, good chromatography standards are something you do not want to miss. Needed for column calibration for routine analysis or universal calibration applications, as known reference for calibration of refractometers and SLS detectors or as reference material for validation and regular proof of SEC systems, standards is what we all need in our daily work. Standards are one of the few things we do not produce ourselve but purchase from the best specialists in this field.

We offer full kits for gel permeation chromatography as well as individual molar masses of carefully characterized materials. Furthermore, pre-weighed mixtures of the same material with different molar masses for fast calibration are available, you only need to add a known quantity of solvent. The spectrum ranges from standards for applications in organic solvents like Polystyrene and to those soluble in acqueous media like Pullulans, with molar masses ranging from oligomere to the highest available.

  • Organic solvents
  • Aqueous solvents
  • Kits and pre-mixed

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