Orbit Research Associates Private Limited
Preet Vihar, New Delhi, Delhi
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Surface Tension measuring instruments

Surface tensionis a propertyof the surface of aliquid that allows it to resist an external force. We come across many applications ofSurface Tension in our daily life, the use of detergent, soap,shampoo, creams, branded juice, soft drink, bear, pharmaceutical suspensions, printing, writing,printingetc are some common process, where Surface Tension has an importantrole to play. The formulator needs to use various Surfactants in order to develop a product which meet users expectations and are cost effective. They need to optimizethe quantity of various surfactants in order minimize/ maximize the Surface tension. There are different methods in use for the measurements of Surface Tension, which can be broadly classified as follows:


Static measurements:

  • Du Nouy Ring Method:The traditional method used to measure the Surface or Interfacial Tension. Maximumpull exerted on ring bysurface is measured.

  • Wilhelmy Plate Method: A vertical plateof known perimeter is attached to a balance and the force due to wetting is measured.

  • Rod Method:A Pt- Rod is used to measure the surface tension by measuring the change in weight with respect to tme due to wetting.

  • Spinning Drop Method:The method is used for low IFT, the diameter of drop within a heavy phase is measured with both arerotated.

  • Pendent Drop Method:Surface and Interfacial Tension canbe measured by this technique, even at elevated temperature and pressure. Geometry of a drop is analyzed optically.


Dynamic Method:

  • Bubble Pressure Method:A measurement technique for determining Surface tension at short ages, maximum pressure of each bubble is measured.

  • Drop Volume Method:A method for determining interfacial tension as a function of interface age, Liquid of one density is pumped into the second liquid of a different density and time between drops produced is measured.

Educational Tensiometer

Educational Tensiometer
  • Educational Tensiometer
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Approx. Price: Rs 3.5 Lakh / PieceGet Latest Price

Product Details:

MethodDU Nouy Ring method
Range1- 90mN/m
Resolution1mN/m
BrandKruss Gmbh, Germany
ModelK6
ApplicationLaboratory

The Simple Manual Measuring System
A basic tensiometer for rapid determination of interfacial tension and the surface tension of liquids.
KRÜSS Educational Tensiometer model K6 is used for determination of Surface tension of liquids. It used Pt wire as torsion beam and the a Pt-Ir ring for measurement.


Features:

  • Surface tension measurement using ring method
  • Simple, user-friendly operation

  • Instrument is supplied with Ptlr ring and a vessel

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Additional Information:

  • Item Code: K6
  • Pay Mode Terms: T/T (Bank Transfer)
  • Port of Dispatch: Delhi
  • Delivery Time: 4 to 6 weeks
  • Packaging Details: Complete unit with one No. pt- Ir Ring, sample vessel, cover and operation manual
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Automatic Tensiometers

Automatic Tensiometers
  • Automatic Tensiometers
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Approx. Price: Rs 20 Lakh / PieceGet Latest Price

Product Details:

Minimum Order Quantity1 Piece
Measurement Range1-999 mN/m
MethodsRing, Plate, Rod, Small Ring
Additional measurementLiquid Density
BrandKruss Gmbh, Germany
ModelK11
ApplicationIndustrial, Laboratory

The Automatic Tensiometer K11 from KRÜSS is a stand-alone instrument for routine measurement of the surface and interfacial tension.


Features:


  • Fully automatic determination of the surface and interfacial tension
  • High-resolution, robust measuring system

  • Stand-alone instrument with large, high-resolution touchscreen

  • Ergonomic, intuitive, menu-controlled user guidance

  • Flexibly configurable measuring templates

  • Presentation of results


Applications:


  • Quality control for measuring surface-active agent concentration
  • Optimal for medium sample resourcing with high measuring precision

  • Used for repetitive routine measuring of surface & interfacial tension.

Note:

Price may vary depending on configuration and accessories
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Additional Information:

  • Item Code: K11
  • Pay Mode Terms: L/C (Letter of Credit),T/T (Bank Transfer)
  • Port of Dispatch: Delhi
  • Delivery Time: 6-8 weesks
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Bubble Pressure Tensiometer

Bubble Pressure Tensiometer
  • Bubble Pressure Tensiometer
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Approx. Price: Rs 26 Lakh / PieceGet Latest Price

Product Details:

MethodBubble Pressure method
Range15 to 100 mN/m
Surface Age Range5 - 200000 ms
BrandKRUSS GmbH, Germany
ModelBP100
ApplicationLaboratory

The Bubble Pressure Tensiometer from KRUSS helps to characterize the surfactants efficiency as never before. This instrument is used to get information about wetting and drop formation in rapid processes.


Features:


  • Measurement of the dynamic surface tension at constant
  • 5 ms (high dynamic) up to 100 s (almost static)
  • Fully automatic measuring process
  • Determination of the adsorption and diffusion coefficient
  • Integrated compressor-no compressed air supply necessary


Application:


  • Surface-active agent development
  • Optimization of coating and printing processes
  • Development of detergents and cleansing agents
  • Optimization of spraying processes
  • Electroplating bath concentration control.
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Additional Information:

  • Item Code: BP100
  • Pay Mode Terms: T/T (Bank Transfer)
  • Port of Dispatch: Delhi
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Fully Automated Surface Tensiometer

Fully Automated Surface Tensiometer
  • Fully Automated Surface Tensiometer
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Approx. Price: Rs 30 Lakh / PieceGet Latest Price

Product Details:

Minimum Order Quantity1 Piece
Measurement Range1-999 mN/m
MethodsRing, Plate, Rod, Small Ring, small plate, CMC, Dynamic Contact angle, Liquid & solid densities, L
VariantsTwo variants available i.e. K100 & K100C
BrandKRUSS GmbH, Germany
ModelK100 series
ApplicationLaboratory, R&D

The Multi-Talent
The K100 is the universal instrument among tensiometers. The measuring processes have been optimized and made more exact by a high degree of automation and the latest technical analysis standards. The measuring accuracy of the K100 can be additionally increased by the use of the built-in ionizer. When conventional tensiometers are used to make sensitive measurements on small samples, single fibers or insulating plastics electrostatic forces of attraction occur between the solid and the liquid surface - the measured force or the detected surface height is incorrect. KRÜSS has thought out a solution to this problem (and also applied for a patent for it): the use of an ionizer. This ionizes the air in the sample chamber for a short time and in this manner eliminates any electrostatic charges. The measurement can now be made without any interference with the highest degree of accuracy.


Features:


  • Surface and interfacial tension measurement of liquids
  • Dynamic contact angle measurements

  • Extended CMC - critical micelle concentration

  • Surface energy calculations on solids, powders, pigments, fiber

  • Measuring the density of liquids

  • Sedimentation and sediment resistance measurements

  • Built-in ionizer for eliminating electrostatic charges

  • Controlled by Lab Desk™ software


Applications:


  • Surface-active agent development
  • Wetting properties of tablets pharmaceutical active ingredient
  • Monitoring surface optimization in the production of polymers.
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Additional Information:

  • Item Code: K100
  • Pay Mode Terms: L/C (Letter of Credit),T/T (Bank Transfer)
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Portable Bubble Pressure Tensiometer

Portable Bubble Pressure Tensiometer
  • Portable Bubble Pressure Tensiometer
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Approx. Price: Rs 6.5 Lakh / PieceGet Latest Price

Product Details:

TypePortable
Weight600 G
Measurement Range15 to 100 mN/m
BrandKRUSS GmbH, Germany
ModelBP50
Application Field application

The surfactants can be characterized by their efficiency and effectiveness, the KRUSS BP 50 Portable Bubble Pressure tensiometer allows to work with small sample volume to define the efficiency of surfactants by measuring dynamic surface tension.


Other Details:


  • Surfactants as wetting or cleaning agents change the surface tension
  • Measurement of the dynamic surface tension


Expert for high-speed:


  • Printing
  • Spraying

  • Coating


Applications:


  • Monitoring of the surface tension of surfactant or wetting agent
  • Development of formulations in which surface-active substances

  • Checking the surface tension for inks and rinses.

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Additional Information:

  • Item Code: BP50
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Single Fiber Tensiometer

Single Fiber Tensiometer
  • Single Fiber Tensiometer
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Approx. Price: Rs 45 Lakh / PieceGet Latest Price

Product Details:

Measurement Range1-999 mN/m
MethodsRing, Plate, Rod, Small Ring, small plate, CMC, Dynamic Contact angle, Liquid & solid densities, L
Additional specsFully automated Dosing system available for CMC
BrandKruss Gmbh, Germany
ModelK100SF
ApplicationIndustrial, Laboratory, R&D

Extremely Accurate

Precision in a new dimension: the PC-controlled measuring system K100 determines the surface and interfacial tension of liquids and solids with the highest effectiveness and efficiency. The built-in ionizer ensures optimal measuring conditions.

 

Features:


  • Surface and interfacial tension measurements of liquids

  • Determining the density of liquids

  • Fully automatic measurement of contact angle and sorption
  • Surface energy determination on powders, small plates and single fiber

  • Extended CMC: Critical micelle concentration

  • Built-in ionizer for eliminating electrostatic charges

  • Controlled by "ADVANCE" software

 

Application:

  • Measurment of Surface tension, Interfacial Tension & Fully automated CMC for R&D Applications
  • Characterization of natural and synthetic fibers
  • Development of carbon and glass fibers
  • Optimization of hair care products
Price may vary depending on configuration
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Additional Information:

  • Item Code: K100SF
  • Pay Mode Terms: L/C (Letter of Credit),T/T (Bank Transfer)
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Spinning Drop Tensiometer SDT

Spinning Drop Tensiometer SDT
  • Spinning Drop Tensiometer SDT
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Product Details:

MethodSpinning drop method
Usefor measuring low interfacial tension
Measurement conditionsAmbient, of with change in temperature
Measurement Range10exp-6 m/N/m to 100 mN/m
BrandKRUSS
ModelSDT
ApplicationLaboratory


Interfacial specialist for emulsions

Microemulsions are gaining ground wherever organic phases are to be mobilized by aqueous ones: for the bioavailability of drugs, tertiary crude oil exploitation, restoration of water, solvent-free degreasing or also for emulsion polymerization. The Tensiometer SDT from KRUSS helps in the development of mini-emulsions and microemulsions as a specialist for extremely low interfacial tensions. In addition to single measurements by mouse-click, the software also allows time-controlled series measurements. It saves the results in a comfortable database, together with their measuring parameters and drop images as well as the calibration data for the image scale. The plotting function plots the interfacial tension against time or the internally measured temperature. A final mouse-click, and the results are presented in a well-laid-out report.


Features:


  • Low IFT measurement going down to 10­-6 m N/M
  • Automatic image analysis available

  • Easy loading of test liquids

  • Illumination and speed can be set by manual controllers

  • Software also allows time-controlled series measurements

  • Saves the results in a comfortable database

  • Plotting function plots the interfacial tension against time.

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Additional Information:

  • Item Code: SDT
  • Port of Dispatch: Hamburg
  • Delivery Time: 8 weeks
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Surface Tensiometer

Surface Tensiometer
  • Surface Tensiometer
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Approx. Price: Rs 12 Lakh / PieceGet Latest Price

Product Details:

Measurement Range1-999 mN/m
MethodsRing, Plate
Measurement conditionsAt room temp and with change in temperature
BrandKRUSS GmbH, Germany
ModelK20
ApplicationLaboratory

KRÜSS Force Tensiometer Model K20/ K20S is an instrument to measure surface and interfacial tension of liquids using the Wilhelmy Plate or the Du Noüy Ring method. In addition, it is able to determine the density of liquids.

Features:


  • Fully automatic SFT and IFT measurement

  • Calibration data is stored internally

  • Robust, max. load 50 g

  • Illuminated sample compartment

  • Wind shield

  • Adjustable feet

  • Fast positioning of the sample

  • Available in two versions ( manual and motorized platform movement)

  • Direct power or in-built battery operation.

Note: The price may vary depending on configuration
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Additional Information:

  • Item Code: K20
  • Pay Mode Terms: T/T (Bank Transfer)
  • Port of Dispatch: New Delhi
  • Delivery Time: 6-8 weeks
  • Packaging Details: To be delivered with suitable accessories for measurements on Surface tension,

    additional items can be delivered on request at extra cost.

    packed in a box for air shipment
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Drop Volume Tensiometer

Drop Volume Tensiometer
  • Drop Volume Tensiometer
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Approx. Price: Rs 22 Lakh / PieceGet Latest Price

Product Details:

MethodDrop Volume method
Measurement Range0.1 to 100 mN/m
Resolution0.001 mN/m
TypeFalling and rising drop
BrandKRUSS GmbH, Germany
ModelDVT50
ApplicationLaboratory

A speedometer for surfactants

You know just how effective your surfactant is. But do you also know how quick it is?
Whether pumping, stirring or flooding: oil-water interfaces are always in motion. Just knowing the equilibrium value of the interfacial tension is no longer sufficient. The drop volume technique of the DVT50 from KRÜSS records the interfacial tension under dynamic conditions – in an interface age range from fractions of a second up to several minutes.
Thanks to its wide measuring range from 100 mN/m down to 0.1 mN/m and the possibility of thermostatting the liquid phases the instrument is suitable for a wide range of applications. Very simple handling during filling and cleaning as well as software control with programmed measuring sequences ensure a smooth measurement procedure with a high sample throughput.

 

Application:


  • Emulsification in cosmetics, pharmaceutical and food industries

  • Tertiary crude oil recovery

  • Solvent-free degreasing

  • Cleaning processes

  • Liquid explosives

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Additional Information:

  • Item Code: DVT50
  • Pay Mode Terms: T/T (Bank Transfer)
  • Port of Dispatch: Delhi
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Surendra Khurana (Director)
1st Floor, 454, FIE Patparganj Industrial Area.
Preet Vihar, New Delhi- 110092, Delhi, India



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