推荐产品
物料
circles
cotton filters (high-quality cotton linters)
包装
pack of 100
制造商/商品名称
Whatman 1542-125
Whatman Article No. 28418251 (US reference)
参数
2510 sec/100 mL speed (Herzberg)
6 psi wet burst
直径
125 mm
厚度
150 μm
灰分
≤0.006%
孔径
2.7 μm (Particle retention)
基本重量
93 g/m2
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一般描述
These are the supreme hardened ashless quantitative filter papers featuring high wet strength and chemical resistance. These papers are acid hardened, which reduces ash to an extremely low level. Their tough surfaces make them suitable for a wide range of critical analytical filtration operations. Each grade offers a convenient combination of filtration speed and particle retention.
Grade 542: 2.7 μm (slow filter paper)
High retention of fine particles under demanding conditions. Slow flow rate. Very hard and strong with excellent chemical resistance. Often used in gravimetric metal determinations.
Grade 542: 2.7 μm (slow filter paper)
High retention of fine particles under demanding conditions. Slow flow rate. Very hard and strong with excellent chemical resistance. Often used in gravimetric metal determinations.
特点和优势
- High wet-strength
- Acid-hardened for resistance to strong acid and alkali solutions
- Nominal particle retention rating of 2.7 µm
- Herzberg filtration speed of 2510 s
- Extremely low ash content (0.006% ash maximum)
其他说明
Field of Use : For internal research use only. Products are not intended for diagnostic use or resale.
法律信息
Whatman is a registered trademark of Cytiva
法规信息
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