Standard Cell Solution for Hach pHD Differential pH and ORP Sensors, packaged in resealable 500 mL bottle. Used to replenish standard c.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

NIST-traceable calibration solution.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

Conductivity Reference Solution. Specify value when ordering, value is customized to your needs. Please contact us for more information!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

Replacement electrolyte for 5400-series DO sensors.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

Chem.Proprietary Gel Powder for pHD sc and pHD (2 grams; to gel standard cell solution for high temperature applications).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 determination of ferrous iron by the 1,10-phenanthroline method. Hach method 8146. Range: 0.02-3.00 mg/L Fe. Pack of 100 powder pill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 determination of trace levels of iron by the Ferrozine method. Hach method 8147. Range: 0.009 to 1.40 mg/L. Sample size: 25 mL. Pack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 determination of trace levels of iron by the Ferrozine method. Hach method 8147. Range: 0.009 to 1.40 mg/L. Sample size: 25 mL. Pack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