Qualitative filter papers
Product Details & Documents
These qualitative filter papers are made of 100% alpha cotton cellulose and are used for precipitate removal.
- Thermostable up to 120 °C
- Stable from pH 0 to 12
Grade No.1: Retains large crystalline particles and gelatinous precipitates. Fast flow rate, smooth surface, normal hardness.
Grade No.2: Retains medium crystalline particles. Fast flow rate, smooth surface, normal hardness.
Grade No.231: Retains crystalline particles. Moderate flow rate, smooth surface, normal hardness.
Grade No.232: Retains medium to medium-fine particles. Slow flow rate, smooth surface, normal hardness.
Grade No.131: High retention efficiencey for fine particles, like barium sulfate. Slow flow rate, smooth surface, normal hardness.
Grade No.235: Highest retention efficiency, retaining very fine particles. Very slow flow rate, smooth surface, normal hardness.
Grade No.101: Seed germination, retains large particles.
Specifications
- Grade:2
- Seq:12
- Size:90 mm
- Weight:125 g/m²
- Cat. No.:ADVTN029.0CM
- Thickness:260 µm
- Ash content:0,1%
- Particle retention:5 µm
#: 20864.320
Supplier: VWR Chemicals
#: 83640.320
Supplier: VWR Chemicals
#: 1.00030.2500
Supplier: Merck
#: 31770.294
Supplier: VWR Chemicals
#: 83645.320
Supplier: VWR Chemicals
#: 1.09439.1000
Supplier: Merck