美国哈希HACH,pH7.00校准缓冲液,p/n.22835-49(2283549)

500ml/瓶

Buffer Solution, pH 7.00 (NIST), color-coded yellow, 500 mL

For pH meter standardization. Color-coded for easy identification. pH is ± 0.02 at 25°C. 500 mL bottle

产地：美国HACH

美国哈希HACH,pH7.00校准缓冲液,p/n.22835-49(2283549)