News From CSC Scientific

Surface Tension and Interfacial Tension

cjang@cscscientific.com (Cho Jang) — Tue, 25 Aug 2026 17:52:35 GMT

I was musing, the other day on the designs of two ring tensiometers. One of them is called an interfacial tensiometer

Liquid Properties are Things You Should Care About.... But Why?

artgatenby@gmail.com (Art Gatenby) — Mon, 24 Aug 2026 21:46:55 GMT

The first question is, "What are Liquid Properties?" Are they some kind of underwater real estate?

The Importance of Food Texture Analysis: Sensory Experience

cjang@cscscientific.com (Cho Jang) — Tue, 11 Aug 2026 17:50:47 GMT

People love to say taste is everything, but food rarely lets the story end there. A dish can look impressive and taste great, yet if the texture is off, enthusiasm can disappear after the first bite.

Food purchasers and manufacturers know flavor cannot carry the whole performance. If a product feels too soggy, too tough, too grainy, or simply not as expected, that first bite may be followed by a firm “no thanks.” That is why these sensory qualities need to be measured objectively, consistently, and repeatably. That set of qualities has a name: texture.

Dynamic vs. Kinematic Viscosity : What's The Difference?

hlevi@scientificgear.com (Hank Levi) — Mon, 10 Aug 2026 22:52:09 GMT

At first glance, viscosity seems pretty straightforward: it tells you how thick a liquid is, or how easily it flows. Case closed, right?

Bubbles, Drops, Rings and Plates Measure What - Surface Tension

hlevi@scientificgear.com (Hank Levi) — Thu, 11 Jun 2026 21:00:46 GMT

Liquid surface tension has a straightforward definition with a dramatic job description: it’s the force that politely stops a liquid from flinging itself off into the universe.

Measuring it, however, is far less straightforward. There are multiple ways to quantify surface tension, and they can quickly turn an easy concept into a small maze of methods. To bring some order to the chaos, this article focuses on two main measurement approaches: drop-based techniques and force-based techniques.

How Loss on Drying Accuracy Is Affected by Volatile Compounds

hlevi@scientificgear.com (Hank Levi) — Sun, 07 Jun 2026 18:53:40 GMT

What I Didn't Know About Mixing

hlevi@scientificgear.com (Hank Levi) — Sat, 16 Aug 2025 20:57:55 GMT

Shear Rate - What is it? Should You Care? All About Viscosity

hlevi@scientificgear.com (Hank Levi) — Mon, 21 Jul 2025 18:00:00 GMT

Shear Stress - Shear Rate

Viscosity! If you ever think about it, what do you see?

Which Type of Tensiometer do I Need?

cjang@cscscientific.com (Cho Jang) — Tue, 29 Apr 2025 19:10:05 GMT

As followers of these rants know, we manufacture and distribute tensiometers. As a tensiometer manufacturer, we are often asked, “if I am going to replace my tensiometer, which one should I get?”

Let's explore the alternatives and compare their respective capabilities.

Enhancing QC with Mid-Point Sieves Precision in Particle Size Analysis

cjang@cscscientific.com (Cho Jang) — Wed, 02 Apr 2025 19:13:02 GMT

The Need for Mid-Point Sieves

ASTM and ISO establish standards for the acceptable range of openings in a wire mesh sieve. For larger mesh sizes, the variation between the largest and smallest acceptable openings has little impact on sieve performance. However, as mesh sizes decrease, the potential for performance differences between sieves becomes significant. These discrepancies, especially when an old sieve is replaced in a master stack, can lead to problematic QC data. Mid-Point sieves can help alleviate this issue.

What is a Mid-Point Sieve?

A mid-point sieve has had the mesh inspected after mounting. The sieve is then selected as a mid-point if the results give tolerances that are in the middle of the ASTM standard.