Environmental Reference Materials, Inorganics, Turbidity Turbidity QC Check Standards 25 NTU #QCI-154 A formazin based CRM available as a 500mL bottle or as a case of 4 x 500mL bottles. Stable and ready to use as received. Do not freeze. read more This product is available for purchase on our new website at zeptometrix.com. Order online today or call our team at +1.800.274.5487. Catalog Number: 25 NTU Options 500 mL, 4 x 500 mL Related products Quick View Add to cart Compare Environmental Reference Materials High-Level Solids CRM #QCI-055H Quick View Add to cart Compare Environmental Reference Materials Total Residual Chlorine Concentrate CRM 0.050 mg/L #QCI-182 Quick View Add to cart Compare Environmental Reference Materials Total Residual Chlorine Concentrate CRM 0.100 mg/L #QCI-183 Quick View Add to cart Compare Environmental Reference Materials Total Residual Chlorine Concentrate CRM 0.500 mg/L #QCI-184
Quick View Add to cart Compare Environmental Reference Materials Total Residual Chlorine Concentrate CRM 0.050 mg/L #QCI-182
Quick View Add to cart Compare Environmental Reference Materials Total Residual Chlorine Concentrate CRM 0.100 mg/L #QCI-183
Quick View Add to cart Compare Environmental Reference Materials Total Residual Chlorine Concentrate CRM 0.500 mg/L #QCI-184
