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Chemikalien verstehen Qualität Reinheit Konzentration Kennzeichnung und sichere Anwendung einfach erklärt

Understanding chemicals: Quality and purity explained simply

Understanding chemicals: Quality and purity explained simply

  • 23.04.2026

Quality and purity are key terms when it comes to chemicals - but what exactly do they mean?

👉 In this article you will learn:

  • what quality means for chemicals
  • How purity is defined
  • Why manufacturing processes are crucial
  • What you should look out for when choosing

We encounter chemicals in the laboratory, in everyday life and in technical applications. It is crucial to understand their properties correctly and classify them objectively.

🔬 Quality - purity - comprehensible product information

💧 Example: CDS View 3000 ppm


What does quality mean for chemicals?

Quality describes how cleanly, controlled and traceable a product has been manufactured.

It influences, among other things:

  • the composition
  • the stability
  • the purity
  • the reproducibility

High-quality chemicals are characterized by clear specifications and controlled manufacturing processes.


What is purity?

Purity describes the proportion of the desired substance in relation to possible foreign substances or secondary constituents.

The higher the purity, the lower the proportion of undesirable accompanying substances.


Why purity is important

  • Better control of properties
  • Fewer undesirable side reactions
  • clearer composition
  • Better stability
  • Higher comparability

Different quality levels

Chemicals are offered in various purity and quality levels - from technical quality to high-purity variants.

Typical designations are, for example:

  • Technical quality
  • pure
  • puriss
  • Ph. Eur.
  • USP
👉 Read more: degrees of purity of chemicals simply explained

Why the manufacturing process is crucial

Not only the raw materials, but also the production process has a significant impact on quality.

Important factors are:

  • Process control
  • Water quality
  • Suitable materials
  • Avoidance of side reactions

Example: Chlorine dioxide solution (CDS)

Also with CDS purity and manufacturing processes play a central role.

Differences can be seen, among other things, in

  • Concentration
  • pH value
  • Conductivity
  • Stability
👉 Production: CDS Production - Understanding the differences

Why labeling is important

Clear labeling helps to classify chemical products correctly.

These include, for example:

  • Concentration data
  • Hazard warnings
  • Manufacturer information
  • Batch information
👉 Read more: CDS Correctly labeled - recognizing quality

Safe application

The safe handling of chemicals is based on:

  • clear information
  • correct storage
  • proper use
  • suitable packaging

It is important to classify products objectively and to observe safety information.


Chemicals in everyday life

Many chemical products are used in everyday life, in the laboratory or in technical areas.

It is crucial to understand their properties correctly and handle them responsibly.

👉 Basics: What is CDS?

Conclusion

Quality and purity are crucial for trust, traceability and safe use.

Those who pay attention to clear information, controlled production and comprehensible properties can judge chemical products much better.

💧 CDS 3000 ppm - discover tested Swiss quality


👉 Further basics: CDS Knowledge at a glance


Matching products for this topic

💧 CDS 3000 ppm - tested Swiss quality

Defined concentration, controlled production and high purity.

👉 CDS View

🧪 DMSO - high purity up to Ph. Eur.

Available in various concentrations - for laboratory and technical applications.

👉 View DMSO

🔵 Methylene blue 1 % - USP quality

High-purity solution with clearly defined concentration and controlled production.

👉 View methylene blue

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