WHA1440012

Whatman^® quantitative filter paper, ashless, Grade 40

circles, diam. 12.7 mm, pack of 400

• 别名: Z740403
• 分類程式碼代碼: 41104900
• NACRES: NB.24

属性

• 材料: circles ; cotton filters (high-quality cotton linters)
• 包裝: pack of 400
• 製造商／商標名: Whatman 1440-012; Whatman Article No. 28417986 (US reference)
• 參數: 0.29 psi wet burst; 340 sec/100 mL speed (Herzberg)
• 直徑: 12.7 mm
• 厚度: 210 μm
• 灰分: ≤0.007%
• 孔徑: 8 μm (Particle retention)
• 基重: 95 g/m²

说明

特點和優勢

• High-purity filters contain 0.007% maximum ash content
• Medium nominal particle retention rating of 8 µm
• Medium filtration speed (Herzberg 340 s)
• Particularly useful for gravimetric analysis

其他說明

Field of Use : For internal research use only. Products are not intended for diagnostic use or resale.

法律資訊

Whatman is a registered trademark of Cytiva