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标准口比色管,具塞,阴影的底部能发散出无失真光线,是化学实验中用于目视比色分析实验的主要仪器,可用于粗略测量溶液浓度.
● 材质:高硼硅玻璃(3.3料)
● 颜色:透明
● 真空六角帽
● 有单支,6支组和12支组三种类型
● 塞具有阴影的的底部,在读取刻度时,不需要移除比色管也能读数
● 永久的,白色熔合的双刻度线

规格和参数

Color Comparison Standard Tubes,With Cap Stoppers,Shadowless bottoms transmit undistorted light.Used to fill with standard solution colors for visual color comparison with similar tubes containing solution sample.
● Material:Borosilicate glass(3.3 expansion)
● Color:Clear
● Hexagon cap stoppers
● Each,Unmatched Set、Matched Set of 6、Matched Set of 12
● Stopper has shadowless bottom so it need not be removed when making readings
● Permanent white double fused-in graduations

Specifications and parameters