Conformance of Hellma Analytics reference materials with the most important regulations

Material Checking of Range Ph. Eur. 8.0 USP<857> ASTM
Glas Filters
Holmium Glass Wavelength accuracy UV/Vis   X X
Didymium Glass Wavelength accuracy UV/Vis   X X
Neutral Density Glass Wavelength accuracy Vis   X X
Liquid Filters
Holmium (Solution) Wavelength accuracy UV/Vis X X X
Didymium (Solution) Wavelength accuracy Vis   X X
Potassium Dichromate (Solution) Photometric accuracy UV/Vis X X X
Niacin (Solution) Photometric accuracy UV      
Toluene in Hexane Spectral Resolution UV X X X
Potassium Chloride (Solution) Stray light UV X X X
Sodium Iodide (Solution) Stray light UV   X X
Sodium Nitrite (Solution) Stray light UV   X X
Acetone Stray light UV   X X

Ph. Eur. : European Pharmacopoeia
USP<857> : United States Pharmacopeia Chapter <857>
ASTM: American Society for Testing and Materials

Reference Materials (Brochure)

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