Hellma Neutral Glass Filter F4, NG 4, certified, 45 x 12.5 x 12.5 mm, 1.0 absorption, is a high-quality secondary standard for calibrating spectrophotometers. Using certified reference materials from Hellma Analytics ensures accurate, reliable measurement results that meet pharmacopoeia requirements and allow international comparability.
Product Features
- Certified neutral glass filter F4, NG 4 with 1.0 absorption
- Dimensions: 45 x 12.5 x 12.5 mm
- Secondary standard for spectrophotometer calibration
- Traceable to NIST primary standards
- Meets requirements of major pharmacopoeias (EP, DAB, USP)
- Certified by DIN EN ISO 17025 accredited Hellma Analytics calibration laboratory
- Ensures consistently high-quality measurement results
Scope of Delivery
- Certified reference materials (Calibration Standards) in quality storage box
- DAkkS Calibration Certificate (DIN 17025)
- Handling guidelines
- Instructions for checking photometric accuracy
Benefits
- Reliable and accurate spectrophotometer calibration
- International comparability of measurement results
- Compliance with major pharmacopoeias (EP, DAB, USP)
- Traceability to NIST primary standards ensures confidence in results
- 30-year warranty on reference materials
Why Choose Hellma Neutral Glass Filter F4 NG 4 Certified 45 x 12.5 x 12.5 mm 1.0 Absorption?
Hellma Neutral Glass Filter F4 NG 4 provides certified accuracy, traceability, and long-term reliability, making it essential for precise spectrophotometer calibration and laboratory quality assurance.
