Quantitative filter papers, ashless grades, grade 42, Whatman™
About this item
These filter papers made from high quality cotton linters have the finest retention of all ashless filter paper grades. Grade 42 is designed for gravimetric analysis and sample preparation for instrumental analysis.
- Commonly used as a calcium carbonate filter
- Alpha cellulose content ≥98%
These filter papers are designed for retention of extremely small particles. Other typical precipitates for gravimetric analysis include barium sulfate and metastannic acid for use in glazes, coatings and pigments. The high purity of these filters also makes them suitable for processes that require ashing.
14 Options Available Below
Product Details & Documents
These filter papers made from high quality cotton linters have the finest retention of all ashless filter paper grades. Grade 42 is designed for gravimetric analysis and sample preparation for instrumental analysis.
- Commonly used as a calcium carbonate filter
- Alpha cellulose content ≥98%
These filter papers are designed for retention of extremely small particles. Other typical precipitates for gravimetric analysis include barium sulfate and metastannic acid for use in glazes, coatings and pigments. The high purity of these filters also makes them suitable for processes that require ashing.
Specifications for Product Family
Specifications
- Catalog No:
- 516-4301
- 512-0593
- 512-0324
- 512-0325
- 512-0326
- 512-0327
- 512-0328
- 512-0329
- 512-0330
- 512-0009
- 512-0627
- 512-0654
- WHAT1442-971
- 512-0655
- Grade:
- 42
- 42
- 42
- 42
- 42
- 42
- 42
- 42
- 42
- 42
- 42
- 42
- 42
- 42
- Weight:
- 100 g/m²
- 100 g/m²
- 100 g/m²
- 100 g/m²
- 100 g/m²
- 100 g/m²
- 100 g/m²
- 100 g/m²
- 100 g/m²
- 100 g/m²
- 100 g/m²
- 100 g/m²
- 100 g/m²
- 100 g/m²
- Thickness:
- 200 µm
- 200 µm
- 200 µm
- 200 µm
- 200 µm
- 200 µm
- 200 µm
- 200 µm
- 200 µm
- 200 µm
- 200 µm
- 200 µm
- 200 µm
- 200 µm
- Particle retention:
- 2,5 µm
- 2,5 µm
- 2,5 µm
- 2,5 µm
- 2,5 µm
- 2,5 µm
- 2,5 µm
- 2,5 µm
- 2,5 µm
- 2,5 µm
- 2,5 µm
- 2,5 µm
- 2,5 µm
- 2,5 µm
- Filtration speed:
- 1870 s (Herzberg)
- 1870 s (Herzberg)
- 1870 s (Herzberg)
- 1870 s (Herzberg)
- 1870 s (Herzberg)
- 1870 s (Herzberg)
- 1870 s (Herzberg)
- 1870 s (Herzberg)
- 1870 s (Herzberg)
- 1870 s (Herzberg)
- 1870 s (Herzberg)
- 1870 s (Herzberg)
- 1870 s (Herzberg)
- 1870 s (Herzberg)
- Ash content:
- 0,007%
- 0,007%
- 0,007%
- 0,007%
- 0,007%
- 0,007%
- 0,007%
- 0,007%
- 0,007%
- 0,007%
- 0,007%
- 0,007%
- 0,007%
- 0,007%
- Airflow rate:
- 96 s/100 ml/6,5 cm²
- 96 s/100 ml/6,5 cm²
- 96 s/100 ml/6,5 cm²
- 96 s/100 ml/6,5 cm²
- 96 s/100 ml/6,5 cm²
- 96 s/100 ml/6,5 cm²
- 96 s/100 ml/6,5 cm²
- 96 s/100 ml/6,5 cm²
- 96 s/100 ml/6,5 cm²
- 96 s/100 ml/6,5 cm²
- 96 s/100 ml/6,5 cm²
- 96 s/100 ml/6,5 cm²
- 96 s/100 ml/6,5 cm²
- 96 s/100 ml/6,5 cm²
Specifications
Product Family Options
Product Information
- GradeSizeAvailabilityPrice
- Specifications:
More
Specifications
Cat. No.516-4301Grade42Weight100 g/m²Thickness200 µmParticle retention2,5 µmFiltration speed1870 s (Herzberg)Ash content0,007%Airflow rate96 s/100 ml/6,5 cm² - Specifications:
More
Specifications
Cat. No.512-0593Grade42Weight100 g/m²Thickness200 µmParticle retention2,5 µmFiltration speed1870 s (Herzberg)Ash content0,007%Airflow rate96 s/100 ml/6,5 cm² - Specifications:
More
Specifications
Cat. No.512-0324Grade42Weight100 g/m²Thickness200 µmParticle retention2,5 µmFiltration speed1870 s (Herzberg)Ash content0,007%Airflow rate96 s/100 ml/6,5 cm² - Specifications:
More
Specifications
Cat. No.512-0325Grade42Weight100 g/m²Thickness200 µmParticle retention2,5 µmFiltration speed1870 s (Herzberg)Ash content0,007%Airflow rate96 s/100 ml/6,5 cm² - Specifications:
More
Specifications
Cat. No.512-0326Grade42Weight100 g/m²Thickness200 µmParticle retention2,5 µmFiltration speed1870 s (Herzberg)Ash content0,007%Airflow rate96 s/100 ml/6,5 cm² - Specifications:
More
Specifications
Cat. No.512-0327Grade42Weight100 g/m²Thickness200 µmParticle retention2,5 µmFiltration speed1870 s (Herzberg)Ash content0,007%Airflow rate96 s/100 ml/6,5 cm² - Specifications:
More
Specifications
Cat. No.512-0328Grade42Weight100 g/m²Thickness200 µmParticle retention2,5 µmFiltration speed1870 s (Herzberg)Ash content0,007%Airflow rate96 s/100 ml/6,5 cm² - Specifications:
More
Specifications
Cat. No.512-0329Grade42Weight100 g/m²Thickness200 µmParticle retention2,5 µmFiltration speed1870 s (Herzberg)Ash content0,007%Airflow rate96 s/100 ml/6,5 cm² - Specifications:
More
Specifications
Cat. No.512-0330Grade42Weight100 g/m²Thickness200 µmParticle retention2,5 µmFiltration speed1870 s (Herzberg)Ash content0,007%Airflow rate96 s/100 ml/6,5 cm² - Specifications:
More
Specifications
Cat. No.512-0009Grade42Weight100 g/m²Thickness200 µmParticle retention2,5 µmFiltration speed1870 s (Herzberg)Ash content0,007%Airflow rate96 s/100 ml/6,5 cm² - Specifications:
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Specifications
Cat. No.512-0627Grade42Weight100 g/m²Thickness200 µmParticle retention2,5 µmFiltration speed1870 s (Herzberg)Ash content0,007%Airflow rate96 s/100 ml/6,5 cm² - Specifications:
More
Specifications
Cat. No.512-0654Grade42Weight100 g/m²Thickness200 µmParticle retention2,5 µmFiltration speed1870 s (Herzberg)Ash content0,007%Airflow rate96 s/100 ml/6,5 cm² - Specifications:
More
Specifications
Cat. No.WHAT1442-971Grade42Weight100 g/m²Thickness200 µmParticle retention2,5 µmFiltration speed1870 s (Herzberg)Ash content0,007%Airflow rate96 s/100 ml/6,5 cm² - Specifications:
More
Specifications
Cat. No.512-0655Grade42Weight100 g/m²Thickness200 µmParticle retention2,5 µmFiltration speed1870 s (Herzberg)Ash content0,007%Airflow rate96 s/100 ml/6,5 cm²
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