Surface Modification Surface Modification Anion Standards Anion Standards 742 BROMIDE BROMIDE 1000 ppm STANDARD SOLUTION NR 1.000 Volumetric, colorimetric or IC standard 70050 20.90 100 ML 70052 54.10 500 ML Concentration 1,000 +/- 10 ug/ml Matrix: KBr in water NIST Traceable