Demineralized Type 2 Water) Specific Conductance: ≤1 ?S/cm, Silica (SiO2): ≤30 ?g/L, Chloride (Cl-): ≤20 ?g/L, Hardness: Negative, Cons.由上海植茂提供，作为HACH的合作伙伴，还提供COD试剂21258-15、COD试剂21259-15、OD试剂21258-25

Concentrated Sulfuric Acid ACS Grade. CAS No. 7664-93-9, FW = 98.08 H?SO?, Sulfuric Acid 2.5 L, 4 kg.由上海植茂提供，作为HACH的合作伙伴，还提供COD试剂21258-15、COD试剂21259-15、OD试剂21258-25s

Concentrated Sulfuric Acid ACS Grade. CAS No. 7664-93-9. FW = 98.08 H?SO?, Sulfuric Acid 500 mL bottle由上海植茂提供，作为HACH的合作伙伴，还提供COD试剂21258-15、COD试剂21259-15、OD试剂21258-25s

ACS Grade, CAS No. 67-64-1 C3H6O, FW = 58.08. 500 mL bottle由上海植茂提供，作为HACH的合作伙伴，还提供COD试剂21258-15、COD试剂21259-15、OD试剂21258-25s

Isopropanol, ACS Grade, CAS No. 67-63-0 CH3CHOHCH3, FW = 60.10 Assay: ≥99.5%由上海植茂提供，作为HACH的合作伙伴，还提供COD试剂21258-15、COD试剂21259-15、OD试剂21258-25s

Methanol, ACS Grade, CAS No. 67-56-1 CH3OH, FW = 32.04.由上海植茂提供，作为HACH的合作伙伴，还提供COD试剂21258-15、COD试剂21259-15、OD试剂21258-25s

For free chlorine determination by the DPD Free Chlorine method. USEPA accepted for reporting for drinking water analysis using Hach Met由上海植茂提供，作为HACH的合作伙伴，还提供COD试剂21258-15、COD试剂21259-15、OD试剂21258-25s

For free chlorine determination by the DPD Free Chlorine method. USEPA accepted for reporting for drinking water analysis using Hach Me由上海植茂提供，作为HACH的合作伙伴，还提供COD试剂21258-15、COD试剂21259-15、OD试剂21258-25s