概述
Whatman 4 号定性滤纸是一种标准级的高流速滤纸。当需要快速过滤且wu xu收集细小颗粒时,这类滤纸可用于定性分析分离。
这些纤维素滤纸用于定性分析技术以确定和识别材料(例如,用于空气污染监测)。
产品规格
4 号定性标准级滤纸,圆形,110 mm
Application:Used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical.
Diameter:110 mm
Grade:Grade 4
Grade Type:Standard
Material:Cellulose
Nominal Ash Content:0.06%
Nominal air flow rate:4 s/100 ml/in2
Nominal basis weight:92 g/m2
Nominal thickness:210 μm
Typical Particle Retention in Liquid:25 μm
Typical Trace Element Levels:Aluminium 3.6 μg/g Antimony <0.5 μg/g Arsenic <0.5 μg/g Barium <0.5 μg/g Boron <1 μg/g Calcium 27.5 μg/g Chromium 1 μg/g Copper 0.9 μg/g Iron 13.7 μg/g Lead <0.5 μg/g Magnesium 21 μg/g Manganese <0.5 μg/g Mercury <0.5 μg/g Potassium 6.2 μg/g Silicon 8.8 μg/g Sodium 32.3 μg/g Zinc 58.3 μg/g
Typical water flow rate at 45 psi (3.1 bar):247 ml/min
Whatman 4 号定性标准级滤纸,圆形,110 mm,货号:1004-110
Whatman 4 号定性标准级滤纸,圆形,110 mm,货号:1004-110
Whatman 4 号定性标准级滤纸,圆形,110 mm,货号:1004-110