SRM 2669 - Arsenic Species in Frozen Human Urine|砷物种在冻人尿
Urban Particulate Matter 2 g
SRM 2972a - 25-Hydroxyvitamin D Calibration Solutions
927e Bovine Serum Albumin (7% solution) (Total Protein Standard)
SRM 2671a - Freeze-Dried Urine Certified for Fluoride停产
Green Tea (Camellia sinensis) Leaves
SRM 972a - Vitamin D Metabolites in Frozen Human Serum|维生素D代谢产物在冷冻人血清 N/A 4 vials x 1 mL
SRM 2373 - Genomic DNA Standards for HER2 Measurements|基因组DNA标准HER2测量