Description
These products are prepared gravimetrically on a weight/weight basis. Both solute and solvent are weighed on a balance calibrated by Aladdin engineers using OIML traceable weights. Aladdin holds ISO 17025 accreditation for calibration of laboratory balances (INAB ref: 265C). The resulting Balance Certificate of Calibration is issued in accordance with the requirements of ISO/IEC 17025. The concentration of each standard is verified using a high performance top of the range calibrated spectrophotometer. The calibration of the spectrophotometer is controlled using high purity ISO Guide 34 accredited spectrophotometric standards