亚洲高清aⅴ日本欧美视频,在线综合亚洲欧美自拍,18禁黄网站男男禁片免费观看,日本加勒比系列香蕉蕉视频一,亚洲高清日本一区二区三区

Accessories

Turbidity Standard Solution

Turbidity standard solutions for calibrating the TB100/200 turbidity meters.

Description:
? Includes 4 turbidity standards - 0.02, 200, 500, 1000 NTU
? For routine turbidity calibration

   Ordering Code


TB-CAL

   Chemical Ingredients


Formazin

   Volume


20 mL per bottle

   Dimensions


60 × 25(?) mm

   Weight


30 g

Items Description

亚洲高清aⅴ日本欧美视频,在线综合亚洲欧美自拍,18禁黄网站男男禁片免费观看,日本加勒比系列香蕉蕉视频一,亚洲高清日本一区二区三区