Laboratory chemicals and products-Clinical chemistry and hematology products-Fine & industrial chemicals

Certificate of Analysis

Product No 0270
Disodium Tetraborate Decahydrate
Lot No2204806811
Release Date23-Feb-2022

Meets Ph. Eur. Reagent Specifications

Test Specification Actual value
Assay99.0-103.0 %100.6 %
Ammonium (NH4)max. 10 ppm< 10 ppm
Appearance of solutionpasses test passes test
Arsenic (As)max. 5 ppm< 1 ppm
Calcium (Ca)max. 100 ppm< 10 ppm
Heavy Metals (as Pb)max. 25 ppm< 25 ppm
Identificationpasses test passes test
pH9.0-9.6 9.4
Sulfates (as SO4)max. 50 ppm< 50 ppm

Use Before Date: 2024-02