Oakton原装进口pH缓冲液标准溶液7.0
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Oakton原装进口pH缓冲液标准溶液7.00/4.01/10.01大容量500ml
已根据 NIST 可追溯材料进行标定
All Oakton pH buffers are traceable to NIST standard reference materials
Buffer solution lets you calibrate pH instruments to ensure accuracy
If unopened, shelf life is 2 yearsOakton®精确度为0.01的仪器缓冲液根据NIST-可追踪pH参考(温度为77°F (25°C))进行校准,偏差在0.01pH值内。
储存液避光保存。可单瓶购买;亦可整箱购买(每箱12瓶,每瓶500ml;每箱4瓶,每瓶4L)。