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  • Industries
    • Biotechnology
      • Yeast Fermentation
    • Agriculture
      • Production of High-Quality Fertilizer
      • Analysis of Soil Quality
    • Food Industry
      • Production of oleochemical specialities
      • Fruit Yogurt Production
      • Edible Oil Analysis
      • Measurement of Caffeine in Dichlormethane
      • Production of Food Colorant
      • Food Production
    • Pharma
      • Reaction tracking during a purification process
      • Measurement of impurities in the purification of solvents
      • Tablet Dissolution Testing
      • Drug Production
      • Production of Biopharmaceuticals
    • Petrochemistry
      • LPG Measurement
      • Combustion of Heavy Fuel
      • Natural Gas Analysis
      • Oil Production
    • Chemical Industry
      • Production of bisphenol-free coatings
      • Gas measurement
      • Polyol Production
      • Polymerisation
  • Process Applications (PAT)
Cuvettes & Laboratory Supplies
  • Cuvettes
    • Cuvette Finder
    • Center Height Finder
    • Accessories for Cuvettes
      • Spacers
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      • Lids, Stoppers and other Accessories
    • Why Cuvettes from Hellma?
    • Material and Technical Information
    • Cleaning and Handling
  • Laboratory Products
    • Micro volume analysis TrayCell 2.0
      • TrayCell 2.0
      • Advantages of the TrayCell 2.0
      • TrayCell 2.0 and Accessories
      • FAQ
    • Hellmanex Cleaning Concentrate
    • Quartz microplates
Calibration Standards
  • Why use UV/Vis Reference Materials from Hellma?
  • Checking wavelength accuracy
    • Rare Earth (Cerium) liquid filter
    • Holmium liquid filter
    • Didymium liquid filter
    • HoDi liquid filter
    • Holmium glass filter
    • Didymium glass filter
  • Checking the photometric accuracy
    • Niacin liquid filter
    • Potassium dichromate liquid filter
    • Neutral density glass filter
  • Checking the photometric linearity
  • Checking for stray light
    • Potassium chloride liquid filter
    • Sodium Iodide liquid filter
    • Potassium Iodide liquid filter
    • Sodium nitrite liquid filter
    • Acetone liquid filter
  • Checking spectral resolution
    • Toluene in hexane liquid filter
  • Filter sets
    • Filter Sets for EP11
    • Complete Sets
    • Glass filter sets for checking photometric and wavelength accuracy
    • Sets for checking wavelength accuracy
    • Sets for checking photometric accuracy
    • Sets for checking stray light
    • Set for checking spectral resolution
    • Sets for checking the linearity of the absorbance
  • Reference standard for microplate reader
    • Reference plate for checking photometric accuracy
    • Reference plate for checking photometric and wavelength accuracy
  • Overview Regulation Conformity
  • European Pharmacopoeia (EP 11)
  • United States Pharmacopeia (USP<857>)
  • Recalibrations in the DAkkS calibration laboratory
    • Hellma Calibration Laboratory
    • Procedures and Process
    • Hellma glass filters
    • Hellma Liquid Filters
    • Hellma Reference Plates (96 wells)
    • Calibration of Opacity Filters for exhaust measurement systems
    • Exhaust Emission Filter
  • FAQ

Reliable measurement results through regular verification of the spectrometer using certified reference materials

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      • Optical Path Length tips for Falcata types
      • Collimator
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Optical immersion probes and measuring cells for spectroscopic analysis in laboratory, pilot plant and process

Online configurator for optical immersion probes and measuring cells

Process Analytical Solutions
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Integrated Spectroscopy Solutions

Smart Sensors for System Integrators

Custom Made Products
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