HACH BOD营养缓冲液粉末包 50/pk p/n.1416066(14160-66) BOD Nutrient Buffer Pillows Use for preparing BOD dilution water Ready for immediate use 0.5-ml size powder pillows Each pillow prepares 300 mL of dilution water 50/pk HACH BOD营养缓冲液粉末包50/pk p/n.1416066(14160-66) 产地:美国(USA) 库存状态:现货