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"The Best Methods for Measuring the Color of Caustic Liquid Chemical Samples"

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"Spectrophotometry Ensures Total Transparency in Smartphone Crystal Glue"

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"Spectrophotometry Ensures Total Transparency in Smartphone Crystal Glue"

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"Some Like It Hot: How to Determine Color Difference in Molten Samples"

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"APHA Color System: A Measurement of Liquid Purity"

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"How Essential Oil Spectrophotometers Promote Quality Control in the Perfume Industry"

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"Applications of Spectrophotometry in Agriculture: Quantitative Analysis of Fertilizer Properties"

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The Best Methods for Measuring the Color of Caustic Liquid Chemical Samples

Posted on Feb 04, 2026 by HunterLab

Liquid chlorine presents unique challenges to the color measurement process due to its caustic nature. Image Source: Shutterstock user StacieStauffSmith Photos

Caustic liquids play many critical roles in our lives, whether in the form of pharmaceuticals, automotive chemicals, or everyday cleaning products.1 For example, many swimming pools are disinfected with liquid chlorine, even though this substance is highly caustic and corrosive when handled on its own. How do manufacturers ensure that a highly acidic gas like chlorine is safe to use in a public pool? By testing it thoroughly during the manufacturing process. Liquid chlorine manufacturers add a strong base (like caustic soda) to their products to counteract the high acidity of natural chlorine gas.2 From here, they also thoroughly test the final liquid product for pH balance, color consistency, and purity, ensuring that each batch of liquid chlorine is the same exact shade of translucent yellow.

However, performing color quality control tests on chlorine and other caustic chemicals can be a challenge for liquid chemical manufacturers. That’s because these materials need to be handled and tested with extreme care; if a caustic substance comes into contact with your skin, it could cause a painful chemical burn. Substances like chlorine also have corrosive properties, meaning that the chemical has to be stored in a nonreactive container (like glass or anodized metal) when you perform color quality control tests on the sample.

Yet despite these challenges, there is a simple way to test the color of these caustic liquid chemicals without putting your equipment or your staff at risk. By refining your testing procedures and using a durable spectrophotometer that is designed to handle harsh chemical samples, you can safely test the color of your products.

A durable spectrophotometer can help you safely test the color of caustic or corrosive liquid samples. Image Source: Shutterstock user Live and Learn

Posted in Color In Chemical Industry

Spectrophotometry Ensures Total Transparency in Smartphone Crystal Glue

Posted on Feb 04, 2026 by HunterLab

Smartphones have created their own industry ecosystem. Image Credit: Unsplash user Gilles Lambert

Revolutionary products create their own ecosystems. Take the automobile for example. Cars have changed the face of the world. Their usage created a need for paved roads, highways, driveways, and parking lots. As a result of their ubiquity, communities changed their layouts to make car ownership and transportation easier. It doesn’t stop there, though—the ecosystem the automobile created has large niches for secondary industries dependent on the car. Automotive repair shops, for instance, wouldn’t exist with automobiles. Neither would dealerships or, perhaps most profoundly, the innumerable factories that create automotive parts to be assembled by car manufacturers. After all, it takes about 30,000 parts 1 to build a car, and every one of those parts needs to come from somewhere, as does all the glue to hold it together. Of course, all the raw or processed materials needed to make all those automotive parts need to come from somewhere as well. Without the car, vast industries wouldn’t exist. Oh, did I mention that cars require gasoline and oil to run?

Of course, cars are old news at this point. If they don’t fly, it’s hard to get excited. What is new, and what is cool, is the smartphone. Like the automobile, the smartphone has changed the world, creating infrastructure and restructuring communities. Also like the automobile, the smartphone has created a huge ecosystem for secondary industries to thrive in. It doesn’t take 30,000 parts to make a smartphone, but the industry still requires huge amounts of precisely engineered components. For glue manufacturers, smartphones present a huge opportunity.

Smartphone glue must be absolutely clear to keep the display clean. Image Credit: Unsplash user Jordan McQueen

Posted in Color In Chemical Industry

Spectrophotometry Ensures Total Transparency in Smartphone Crystal Glue

Posted on Feb 04, 2026 by HunterLab

Smartphones have created their own industry ecosystem. Image Credit: Unsplash user Gilles Lambert

Revolutionary products create their own ecosystems. Take the automobile for example. Cars have changed the face of the world. Their usage created a need for paved roads, highways, driveways, and parking lots. As a result of their ubiquity, communities changed their layouts to make car ownership and transportation easier. It doesn’t stop there, though—the ecosystem the automobile created has large niches for secondary industries dependent on the car. Automotive repair shops, for instance, wouldn’t exist with automobiles. Neither would dealerships or, perhaps most profoundly, the innumerable factories that create automotive parts to be assembled by car manufacturers. After all, it takes about 30,000 parts 1 to build a car, and every one of those parts needs to come from somewhere, as does all the glue to hold it together. Of course, all the raw or processed materials needed to make all those automotive parts need to come from somewhere as well. Without the car, vast industries wouldn’t exist. Oh, did I mention that cars require gasoline and oil to run?

Of course, cars are old news at this point. If they don’t fly, it’s hard to get excited. What is new, and what is cool, is the smartphone. Like the automobile, the smartphone has changed the world, creating infrastructure and restructuring communities. Also like the automobile, the smartphone has created a huge ecosystem for secondary industries to thrive in. It doesn’t take 30,000 parts to make a smartphone, but the industry still requires huge amounts of precisely engineered components. For glue manufacturers, smartphones present a huge opportunity.

Smartphone glue must be absolutely clear to keep the display clean. Image Credit: Unsplash user Jordan McQueen

Posted in Color In Chemical Industry

Some Like It Hot: How to Determine Color Difference in Molten Samples

Posted on Feb 04, 2026 by HunterLab

The human eye is an amazing tool, with the ability to distinguish millions of color variations. Amazingly, science has emulated the human eye’s perception of color difference and translated that information into colorimetric technology. Spectrophotometers quantify color difference in the same way our brain processes color through light absorption and reflection, and utilizes this data for a variety of scientific and industrial applications.

The human eye has amazing abilities to differentiate color and science has transferred this technology to precise and objective analysis through spectrophotometric instrumentation. Image Source: Flickr user Liz Foreman

Posted in Color In Chemical Industry

APHA Color System: A Measurement of Liquid Purity

Posted on Feb 04, 2026 by HunterLab

Clear liquid purity is measured using the APHA color scale and is essential for ensuring product safety and consistency and many various industries. Image Source: Flickr user Nathan Forget

Purity is an important factor imperative in the foods we eat, the medicines we take, and the water we drink. However, visual analysis of clear liquid color measurement is highly subjective, leaving a high margin of error in purity analysis. Color measurement using the APHA color index allows these various industries to maintain safety and consistency in their products.

Posted in Color In Chemical Industry

How Essential Oil Spectrophotometers Promote Quality Control in the Perfume Industry

Posted on Feb 03, 2026 by HunterLab

Essential oil spectrophotometers help you determine how pure an oil is based on its color, which in turn could impact how your perfume smells. Image Source: Flickr user sunny mama

The alluring aroma of a perfume might win over the heart of a picky customer, but experienced perfume manufacturers know that this is only one small part of what makes a particular scent so enticing. In reality, the perfume’s color also plays a major role in sales, and in some cases, can directly impact the scent of the perfume itself. After all, the quality of a perfume is only as good as the ingredients that went into producing it. If you want to ensure that the oils you use are absolutely pure and powerfully fragrant, you should consider investing in a spectrophotometer. Using this tool, you can make sure that each bottle of perfume looks identical and that you’re always using the best essential oils available.

  • Some essential oils, like sandalwood, will look darker in color and appear hazier than clear, brighter essential oils like lavender. Image Source: Flickr user Your Best Digs

Posted in Color In Chemical Industry

Applications of Spectrophotometry in Agriculture: Quantitative Analysis of Fertilizer Properties

Posted on Feb 03, 2026 by HunterLab

Healthy soil is dependent upon just the right balance of nutrients. Spectral analysis plays an important role in monitoring soil quality and quantifying nutrient levels. Image Source: Flickr user Natural Resources Conservation Service Soil Health Campaign

Soil quality is an important part of agriculture and sustainability. Improving soil quality depends on quantitative analysis and the careful balance of nutrients which will promote superior growing conditions. Spectrophotometers are a valuable tool for monitoring nitrogen and phosphorus levels in fertilizers and soil compounds. Through advanced spectrophotometric technology we can monitor and develop fertilizers that will lead to a more lucrative and productive agricultural sector.

Spectrophotometry quantifies the color of a sample with a light source. The spectrophotometer divides the light source into its different wavelengths — visible, UV, and infrared — and measures how much the sample reflects or transmits these wavelengths. The way an object absorbs and transmits light is how our eyes perceive color, and spectrophotometers can create a formulation for every color we see.

Color may seem like a subjective characteristic, but a spectrophotometer makes it objective. Color plays a critical role in many industries, ranging from physics and biochemistry to food and beverage production. The applications of spectrophotometry are wide-reaching and can tell users far more about a sample than its objective color measurements.

Posted in Color In Chemical Industry
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Most Related Posts

  • The Best Methods for Measuring the Color of Caustic Liquid Chemical Samples
  • Spectrophotometry Ensures Total Transparency in Smartphone Crystal Glue
  • Spectrophotometry Ensures Total Transparency in Smartphone Crystal Glue
  • Some Like It Hot: How to Determine Color Difference in Molten Samples
  • APHA Color System: A Measurement of Liquid Purity
  • How Essential Oil Spectrophotometers Promote Quality Control in the Perfume Industry
  • Applications of Spectrophotometry in Agriculture: Quantitative Analysis of Fertilizer Properties
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