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"Why Understanding Tristimulus Values and the CIE Color Model Is Important for Color Measurement"

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"Top-Rated Color Measurement Solutions: How to Choose the Best for QA"

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"What Is Haze in Liquids and How Can I Measure It Accurately?"

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"What to Look for in a Spectrophotometer for Measuring the Color of Powders"

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"HunterLab’s Global Commitment: Stability, Service, and Support Amid Supply Chain Pressures"

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"What to Know About Baking Powder and Its Color"

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"How to Measure the Color of Beet Powder — An Important Raw Ingredient for Meat Alternatives"

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Why Understanding Tristimulus Values and the CIE Color Model Is Important for Color Measurement

Posted on Jun 20, 2025 by HunterLab

Spectrophotometers are a commonly used tool and valuable technology for color measurement. Companies that purchase color measurement equipment should consider using their solution to understand the tristimulus values of their sample on the CIE color model.

Understanding tristimulus values and the different geometric degrees and angles can be overwhelming, making instrument selection challenging. Finding the support you need to use your color measurement tools correctly and efficiently will ensure that you are getting the best value for your investment.

Posted in Color Measurement

Top-Rated Color Measurement Solutions: How to Choose the Best for QA

Posted on Jun 11, 2025 by HunterLab

Top-Rated Color Measurement Solutions for Quality Assurance include devices like spectrophotometers that use optical geometries (such as 45°/0° and d/8°) to ensure precise, reproducible color measurements across batches and locations. The best solutions will:

  • Measure both reflectance and transmittance color accurately.
  • Support sample averaging for uneven textures.
  • Integrate seamlessly with QA software.
  • Come from trusted manufacturers like HunterLab.

Looking for the top-rated color measurement solutions for quality assurance? Whether you're in food production, pharmaceuticals, plastics, or textiles, accurate color measurement is critical to maintaining quality, consistency, and compliance. In this guide, we’ll break down what makes a solution “top-rated” and how to select the best spectrophotometer based on your sample types, workflows, and regulatory needs.

As a manufacturer, you know best how fierce the market you operate in can be. Every advantage that sets your products apart on crowded shelves is one worth creating and maintaining, making quality nonnegotiable as a competitive advantage. Accurately determining product color is instrumental in upholding quality, which is where top-rated color measurement solutions deliver tangible value.

Maximize your investment by understanding the connection between color measurement and quality assurance (QA) and exploring tips for choosing the best color measurement solutions.

Why Top-Rated Color Measurement Devices Are Essential for Quality Control

Color measurement and quality assurance are inarguably entwined. Achieving and maintaining a consistent appearance across products, batches, and facilities helps your organization:

  • Meet consumer expectations: Visual interactions are among the first experiences customers have with your products, and they're a key driver in their purchasing decisions. If goods don't meet their appearance expectations, consumers will quickly form a negative impression of your brand and reach for a competing product instead.
  • Reduce waste: Manufacturing certain products requires tight color tolerances. For example, color can indicate the efficacy of active pharmaceutical ingredients. Medications that don't meet color specs could be unsafe and must be discarded. Consistent measuring of color at each step helps prevent waste and resulting financial loss.
  • Achieve brand recognition: Consumers often associate specific colors with the brands they're loyal to. Ensuring these colors are consistent upholds integrity and strengthens recognition.
  • Comply with regulations: If your operations fall under the oversight of governmental agencies like the Food and Drug Administration (FDA), color measurement is critical to preventing costly noncompliance fines and penalties.

Traditionally, streamlining QA workflows for color and quality measurement to achieve these goals was challenging. Visual color inspections and comparisons are unreliable and inherently subjective. Evaluator fatigue and differences in the observational environment often produce errors.

Top-rated color measurement solutions, like spectrophotometers, are the smartest approach to measuring color quality. These devices accurately determine color by quantifying the intensity of light at various wavelengths, transforming reflected or transmitted light into objective numerical values. Integrating a top-rated spectrophotometer from a respected manufacturer like HunterLab helps you elevate color control processes, ensure product visual integrity, and support your products' overall success.

Use the following criteria to evaluate top-rated color measurement solutions for your QA workflows.

1. Consider Your Sample Properties

Identifying your typical sample's unique properties is the first step in identifying the best-rated spectrophotometer for you. These traits determine the necessary optical configuration, geometry, features, and accessories for the task.

Questions to answer include:

  • Is your sample highly textured, uneven, or nonuniform? These products create unique challenges for color quality control and require solutions designed for the inherent variations.
  • What is your sample's opacity? Transparent samples require one measurement approach, while fully opaque samples require another. The best measurement method for translucent samples differs based on how much light can pass through them.
  • What is your sample's state? Solids and liquids need different measurement techniques and accessories. For example, loose powders may need special sample holders or port plates for accuracy, while liquids require cuvettes and may need flow cells.
  • What are the sample's size and shape? Samples in some industries, such as pharmaceuticals, are costly. Small-volume containers and a spectrophotometer capable of accurate readouts on minimal sample sizes are essential for cost containment.

Posted in Color Measurement

What Is Haze in Liquids and How Can I Measure It Accurately?

Posted on May 29, 2025 by HunterLab

Clarity is a critical aspect of liquid product quality in many industries, and modern consumers combine it with color when evaluating whether to buy a product or trust a brand. As a result, scientifically and objectively quantifying haze is essential to achieving quality goals and maintaining customer satisfaction.

What Is Haze and How Does It Alter the Appearance of Liquids?

In its simplest definition, haze is scattering of light produced by small particles in a sample. Suspended particles within a liquid also scatter light, leading to turbidity — a cloudy, milky, or opaque appearance.

Transmission haze occurs in transparent goods and liquids, like clear plastic preforms or bottled water. As light passes through the sample, factors like surface texture imperfections and impurities scatter the energy.

Primary Causes of Haze in Liquids

In liquids, a natural interaction between proteins and polyphenols usually causes measurable turbidity. Other potential causes include poor-quality raw ingredients, such as infected barley used in beer brewing or particulate residues from filtering processes.

The Importance of Haze to Consumer Perceptions

Clarity is necessary in liquids to signify quality and safety.

Turbidity in beer can be either desirable or undesirable, depending on the consumer's preference. Many manufacturers continually aim to control turbidity in beer since its presence can negatively impact taste and shorten shelf life. Others use turbidity as a competitive advantage, crafting hazy IPAs that consumers perceive as more flavorful. Similarly, some winemakers prefer haze as a marker of authenticity and a natural by-product of fermentation.

Other liquids also rely on haze to meet consumer expectations or generate a favorable customer opinion. For example, a haze in fruit juices can spur more sales by promoting the perception that nutritional value is higher. Manufacturers can create the haze naturally or use additives to produce the intended result.

Posted in Color Measurement

What to Look for in a Spectrophotometer for Measuring the Color of Powders

Posted on May 20, 2025 by HunterLab

Powders play a vital role in many industries, from food products like cocoa powder to minerals and the lifesaving medications pharmaceutical manufacturers create. Their colors must be consistent and meet customer expectations to support quality initiatives, conformance with industry standards, satisfaction, and, ultimately, profitability. Spectrophotometers provide the easiest, fastest, and most objective way to quantify color to help you reach these goals. 

Key Features to Evaluate

Learning what key features to evaluate as you explore the spectrophotometric solutions available can help you make a more sound investment.

Minimum Sample Sizes

Some ingredients, like certain high-value spices and active pharmaceutical components, are incredibly expensive. Reducing the size of the sample needed for accurate measurements is key to controlling waste and limiting sampling costs. A spectrophotometer that offers the smallest sample size possible will deliver the most value for many applications and significantly lessen the expenses involved with high-value powder production.

Sample Compatibility

Powders present unique challenges in color measurement. Many have nonuniform textures and varying particulate sizes requiring careful sample preparation to promote accurate outcomes. Their opacity demands specialized optical geometry that captures data through reflectance. A thorough, careful analysis of your powder's physical properties will help ensure the spectrophotometer's capabilities align with your needs.

Index and Scale Library

Many industries have specific industry scales or indices they use to ensure their products conform to standards. Samples may rely on different color spaces, such as the CIELAB scale often used to measure barium sulfate. Evaluate the spectrophotometers you're considering to ensure they're capable of providing data within the scales that apply to your industry.

Effective Bandwidth

Regardless of which wavelength you measure in the visible spectrum, you need to ensure the device you select has suitable effective bandwidth for accuracy. This term refers to the range of wavelengths interacting with a sample at a given moment. A narrow effective bandwidth coupled with high radiation throughput helps ensure strong signals and background noise reduction. This configuration allows for more precise readouts since the spectrophotometer can isolate smaller wavelength ranges.

Integration Capabilities

Ideally, the spectrophotometric solution you choose should fit effortlessly into existing workflows instead of forcing you to adapt proven processes. Features like universal compatibility simplify integration. This trait allows the spectrophotometer to connect to and communicate seamlessly with other devices. In addition, selecting a model with many connectivity options makes data export and transfer to your quality management systems fast and easy.

Viewing Area

While finer powders may lend themselves to a smooth, even sample surface, sample averaging is critical for measuring color in powders with larger particles and nonuniform characteristics. These traits can lead to shadowing that can create measurement discrepancies when only capturing data in one reading. Taking multiple measurements across larger viewing areas and averaging them helps resolve those challenges, so it's essential to consider viewing area size as you narrow down the options.

Posted in Color Measurement

HunterLab’s Global Commitment: Stability, Service, and Support Amid Supply Chain Pressures

Posted on May 20, 2025 by HunterLab

HunterLab’s Global Commitment: Stability, Service, and Support Amid Supply Chain Pressures

As global trade conditions continue to evolve, businesses across industries are navigating new levels of complexity. At HunterLab, we understand how these pressures can affect your planning, operations, and service expectations. That’s why we’re committed to ensuring that our color measurement solutions remain consistent, available, and fully supported — no matter the global environment.

For over 70 years, HunterLab has helped customers around the world maintain color quality with precision instrumentation and reliable service. In times of uncertainty, that commitment only grows stronger.

Why Global Conditions Matter in Color Measurement

Whether you’re formulating products in food, plastics, chemicals, or textiles, accurate color measurement is essential to brand consistency and quality control. But behind every precise measurement tool is a complex global supply chain — and today, that landscape is changing rapidly.

Businesses are feeling the effects of:

- Increased transportation costs

- Longer lead times due to port and customs delays

- Supply constraints for critical electronic and optical components

- Shifts in international trade policies and sourcing strategies

This environment has the potential to impact availability and cost structures across the instrument manufacturing industry. But at HunterLab, we are actively working to minimize that impact for our customers and partners.

Posted in Color Measurement

What to Know About Baking Powder and Its Color

Posted on May 08, 2025 by HunterLab

Color measurements provide valuable information for food producers, manufacturers, and distributors. As one of the first things consumers are bound to notice when making purchasing decisions, color makes an impression. Consistent appearance in any food is key to delivering what consumers consider natural and fostering brand loyalty.

When measuring color, every ingredient counts, even the ones generally considered colorless and of little effect. Baking powder often falls into this designation, but this ingredient has a well-defined color that consumers expect. Here's what you need to know to produce a valuable commodity for baking.

What Is Baking Powder?

Baking powder is one of the most useful tools in any baker's or homeowner's cabinets. It's a combination of baking soda and a powdered, edible acid, such as cream of tartar. It prompts items like quick breads to rise and combine properly throughout the cooking process. Most formulations also include cornstarch, which prevents the formula from clumping and reacting before you're ready to use the powder.

Posted in Color Measurement

How to Measure the Color of Beet Powder — An Important Raw Ingredient for Meat Alternatives

Posted on Mar 28, 2025 by HunterLab

In plant-based protein development, many researchers have uncovered beet powder as an essential ingredient for meat alternatives. This vibrant purple-red material can create the signifying pink color we often associate with real meat, but it needs to be used strategically. Too much beet powder in meat alternatives may make the plant-based protein hot pink, and too little may lead to an unappetizing gray.

Create Quantitative Color Measurements With Spectrophotometry

Color is a measurable science, even if it seems like a subjective quality. We perceive color based on how much an object transmits and reflects the wavelengths of light, and we can measure this transmittance and reflectance to quantify color.

Spectrophotometers achieve this measurement with a single light source separated into each individual wavelength. These different wavelengths appear as different colors. In the visible spectrum range, violet has the shortest wavelength and the highest frequency. Red has the longest wavelength and the lowest frequency.

A spectrophotometer will isolate selected wavelengths and direct them at a sample. Then, a sensor will measure how much of the light is reflected and transmitted. The colors an object transmits or reflects are the colors we see, so beet powder reflects violet and red. The spectrophotometer will create a data set of the different wavelengths for users to understand the color makeup of a sample.

Posted in Color Measurement
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Most Related Posts

  • Why Understanding Tristimulus Values and the CIE Color Model Is Important for Color Measurement
  • Top-Rated Color Measurement Solutions: How to Choose the Best for QA
  • What Is Haze in Liquids and How Can I Measure It Accurately?
  • What to Look for in a Spectrophotometer for Measuring the Color of Powders
  • HunterLab’s Global Commitment: Stability, Service, and Support Amid Supply Chain Pressures
  • What to Know About Baking Powder and Its Color
  • How to Measure the Color of Beet Powder — An Important Raw Ingredient for Meat Alternatives
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