The Bostwick Consistometer
We make the Bostwick Consistometer. The Bostwick is used extensively to measure the consistency of sauces and condiments. It has strong application in the quality control departments of ketchup and mustard producers. Results from a Bostwick Consistometer have been used for more than six decades to control the quality of many of the foods you use.
Read More
Topics:
Viscosity,
Consistency,
Surface Tension Measurement,
Liquid Properties
I was musing, the other day on the designs of two ring tensiometers. One of them is called an interfacial tensiometer and the other simply a tensiometer. The plain tensiometer works only with an upward pull and the interfacial works with both an upward pull as well as a downward push. Before I get to my question a couple of definition might be useful.
Read More
Topics:
Surface Tension Measurement,
Surface Tension,
interfacial tension,
interfacial surface tension,
surface Tension Testing,
du Nouy Ring Method,
du Nouy tensiometer,
Liquid Properties
The definition of Liquid Surface Tension is simple.
It's the force that keeps a liquid from flying off into space.
However, the measurement of surface tension can take many forms, which can be confusing. In an attempt to get some clarity, we have articulated two principle measurement concepts in this article: drop-based measurement and force-based measurement.
Read More
Topics:
Automatic Digital Tensiometer,
Automatic Surface Tension Measurment,
Surface Tension Measurement,
Surface Tension,
Interfacial Tensiometer,
interfacial tension,
tensiometers,
du Nouy tensiometer,
surface tension instruments,
surface tension analysis
An understandable definition of surface tension: “The attraction force between molecules at the surface of a liquid. The force that keeps if from flying off into space”.
Read More
Topics:
Tensiometer,
Surface Tension Measurement,
Surface Tension,
actual surface tension,
apparent surface tension,
Liquid Properties
Contact angle and surface tension. The two terms are never far apart. Run a Google search of "contact angle" right now and see for yourself. You'll often see the terms mentioned within a breath of one another because contact angle and surface tension are two approaches to surface analysis - the study of how a surface interacts with other materials or components. Generally speaking, there is also a relationship between the two measurements, one that tends not to be very clearly explained in other resources. I hope to remedy that today.
Read More
Topics:
Automatic Surface Tension Measurment,
Surface Tension Measurement,
Surface Tension,
contact angle,
contact angle meter,
wettability,
Liquid Properties
Nearly every day we have a question about differences between Viscosity, Consistency and Surface Tension. There is usually a second part of the question;
Read More
Topics:
Viscometers,
Viscosity,
Bostwick Consistometer,
Tensiometer,
Surface Tension Measurement,
Surface Tension,
Liquid Properties
What do an Irish music technology developer, a British manufacturer of arcade and retro-style furniture, and a dance bar in San Francisco have in common? Given a million guesses, I’d never have thought of this:
Read More
Topics:
Surface Tension Measurement,
Surface Tension,
Liquid Properties
I used to think that liquids were pretty simple things. Is that what you think too?
Not so fast. Let’s take a look at three properties of liquids and see if we change our view.
Read More
Topics:
Newtonian Fluid,
Viscometers,
Viscosity,
Bostwick Consistometer,
Consistency,
duNouy Rings,
Surface Tension Measurement,
Surface Tension,
Liquid Properties