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Wet Chemistry Analysis and Testing

Wet Chemistry Analysis and Testing

Classic Techniques, Modern Precision

Wet chemistry testing remains a fundamental approach in analytical science—especially for samples that are complex, matrix-bound, or not ideal for instrumental methods alone. At NJ Labs, our ISO / IEC 17025:2017-accredited wet chemistry testing lab provides reliable, GMP-compliant analysis across pharmaceuticals, nutraceuticals, botanicals, and raw materials. 

Whether you’re testing actives, excipients, or finished products, our wet chemistry services follow USP, EP, and other compendial methods to ensure accuracy and regulatory compliance. We work across pharmaceuticals, supplements, nutraceuticals, cosmetics, chemicals, and more—covering both raw materials and finished products. When needed, we also apply client-supplied or alternative methods and can verify or validate testing protocols based on project requirements. 

Wet Chemistry Analysis and Testing

What is Wet Chemistry Testing? 

Wet chemistry refers to a group of classical analytical techniques involving the manipulation of substances in liquid form. It includes titration, pH measurement, color analysis, and other reactions carried out in solution. 

Our wet chemistry analysis lab applies these methods to samples too small, too complex, or unsuitable for automated or instrumental-only testing. 

Wet chemistry refers to a set of classical analytical techniques performed in liquid solutions, including titration, pH measurement, polarimetric analysis, extractions, and colorimetric assays. These hands-on methods remain essential for analyzing samples that are too complex, matrix-bound, or unsuitable for automated or instrument-only testing. 

At NJ Labs, our wet chemistry lab combines time-tested techniques with modern precision to deliver accurate, audit-ready results. We follow USP, EP, and other compendial methods to test actives, excipients, and finished products across pharmaceuticals, nutraceuticals, supplements, cosmetics, chemicals, and raw materials. When required, we also implement client-supplied or alternative methods, including method verification and validation, to meet regulatory and project-specific needs. 

Wet chemistry is both an art and a science. Just like cooking or baking, it requires the right ingredients, precise techniques, and careful execution. Our analysts bring years of hands-on experience and the patience needed to ensure consistency—not only across different sample types, but also from batch to batch. That expertise is critical in achieving reliable, reproducible results, especially when working with complex or variable materials. 

 Wet Chemistry Testing Capabilities 

NJ Labs offers a comprehensive range of wet chemistry analysis services to support regulatory compliance, product development, and quality control. We perform : 

  • Lead Content and heavy metal screening 
  • Color & compound Identification 
  • Moisture & water content analysis 
  • Fat & oil composition 
  • Peroxide value testing 
  • Acid value and pH evaluation 
  • Oxidation analysis 
  • Titrations (Volumetric & Complexometric) 
  • Sulfur dioxide quantification 

These tests are conducted under strict CGMP protocols, with QA-reviewed data packages and full regulatory documentation. 

 Our wet chemistry capabilities include : 

  • Lead content and elemental screening 
  • Color and compound identification 
  • Moisture and water content analysis 
  • Fat and oil composition testing 
  • Peroxide value determination 
  • Acid value and pH evaluation 
  • Oxidation and stability analysis 
  • Titrations (volumetric and complexometric) 
  • Sulfur dioxide quantification 

All tests are performed in accordance with regulated test methods and reviewed by our Quality Assurance team to ensure full CGMP compliance.

Analytical Instruments Used in Wet Chemistry Testing :

Our wet chemistry testing lab is equipped with precision instrumentation for classical and hybrid techniques : 

  • UV/Vis Spectrophotometer – for absorbance-based assays, color, and identification
    • Hewlett Packard 8453 UV-Vis Analyzer
    • Perkin Elmer Lambda 365 UV-Vis Analyzer
  • FTIR (Fourier-Transform Infrared Spectrophotometer) – for compound identification and functional group analysis
    • Perkin Elmer Spectrum One FTIR
  • Polarimeter – for measuring optical rotation, commonly used in pharmaceutical analysis
    • Rudolph AutoPol V Automatic Polarimeter
  • Titrator – for accurate moisture / water content determination
    • Metrohm 888 Titrando Autotitrators
  • pH Meters and Conductivity Meters – for routine water quality and formulation testing
    • Hanna HI5321 Conductivity Meter
    • Hanna Edge 11310 pH Meter
    • Hanna Edge pH Meter
  • Refractometer – for concentration readings
    • Rudolph Research Analytical / J-257 Automatic Refractometer

Where Is Wet Chemistry Used?

We routinely apply wet chemistry analysis services to support quality and safety testing in :

  • Biochemical & Pharmaceutical Fields
  • Nutraceuticals & Dietary Supplements
  • Botanical Ingredients & Extracts
  • Raw Materials & Excipients
  • Heavy Metal Screening (Classical Methods)

Whether validating a new raw material, confirming identity, or quantifying contaminants, wet chemistry remains a reliable and essential tool for accurate analysis.

We routinely apply wet chemistry analysis services to support formulation, R&D and batch release testing in: 

  • Chemical & Pharmaceuticals 
  • Nutraceuticals & Dietary Supplements
  • Botanical Ingredients & Extracts
  • Raw Materials including active & excipients
  • Elemental Screening (Classical Methods)

Water Analysis 

Whether validating a new raw material, confirming identity, or quantifying contaminants, wet chemistry remains a reliable and essential tool for accurate analysis. 

Request a Quote or Speak With Our Lab Team 

When precision, compliance, and reliability matter, trust NJ Labs for your wet chemistry analysis needs. Contact us today to discuss your testing requirements. 

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