Potassium dichromate standard solution (0.05MOL/L sulfuric acid matrix) (easy to make drugs) (total validity period: 12 months)

Multi-element mixed standard solution | AL, AS, AU, B, BA, CA, CD, CO, CR, CU, FE, HG, IR, K, LI, MG, MN, MO, NA, NI, PB, PD, PT, RH, RU, SB, SE, SN, TL, V, W, ZR | 100G/ML | Steel Research Nanogram | 50ML | Standard Material (RM) - Solution Type Silver standard solution (for ICP-MS) Total Phosphorus (TP) Quality Control Standard Solution Turbidity Standard RATIO 150 NTU, traceable to NIST Europium, Gadolinium, Terbium, Dysprosium, Yttrium Multi-element Standard Solution (Total validity period: 12 months)

Multi-element mixed standard solution | AL, CR, MN, FE, CU, ZN, AS, PB | 100G/ML | Steel Research Institute Nanogram | 50ML | Standard material (RM) - solution type Total Alkalinity Quality Control Standard Solution Total Acid Value Standard: 1.0 MG/G KOH Indium standard solution (for AA and ICP) Brown-red standard stock solution/Special for 2020 Pharmacopoeia