Environmental Reference Materials, Inorganics, Water Chemistry CRMsCOD CRM #IS-001H-500$76.0010000 mg/L in Water read moreOptions Choose an option500 mLClear Add to cart Compare Catalog Number:IS-001HOptions500 mLRelated products Quick View Add to cart Compare $59.00 Environmental Reference Materials Lithium – 125mL #IC-023 Quick View Add to cart Compare $59.00 Environmental Reference Materials Potassium – 125mL #IC-042 Quick View Add to cart Compare $59.00 Environmental Reference Materials Thiocyanate – 125mL #IC-050 Quick View Add to cart Compare $59.00 Environmental Reference Materials Chlorite – 125mL #IC-016