Quantitative Papers: Ashless Grade 40

Quantitative Papers: Ashless Grade 40 are produced under carefully controlled conditions to ensure low ash levels with progressively increasing wet strengths. Grade 40 is a classic, general purpose paper with medium speed and retention. Typical applications include gravimetric analysis for components in cements, clays, iron and steel products; as a primary filter for separating solid matter from aqueous extracts in general soil analysis and pure clean-up prior for AA spectrophotometry.

Key Features

  • Ash levels of 0.007%
  • Well suited for gravimetric analysis, AA spectrophotometry, IR analysis, general soil analysis or other applications requiring a low-ash paper

Specifications for Whatman® Quantitative Papers: Ashless Grade 40
Retention:8 µm
Flow Rate:Medium
Initial Filtration Speed:340 sec/100 mL
Typical Thickness:0.21 mm
Filter
Item No. Alt. Part No. Diameter Unit of Measure Your Cost Purchase
FILTER PAPER 40 18 5 CM 100 PK
WHT1440-185
EF8364H 18.5 cm Pack of 100
$155.19
Add to Cart This item is not currently stocked. Allow 2-3 weeks. Please contact us if you'd like us to keep stock in the future. In Stock
FILTER PAPER 40 15 0 CM 100 PK
WHT1440-150
EF8364G 15 cm Pack of 100
$105.38
Add to Cart This item is not currently stocked. Allow 2-3 weeks. Please contact us if you'd like us to keep stock in the future. In Stock
GRADE 40 FILTER PAPER 100 PK
WHT1440-125
EF8364F 12.5 cm Pack of 100
$79.46
Add to Cart This item is not currently stocked. Allow 2-3 weeks. Please contact us if you'd like us to keep stock in the future. In Stock
FILTER PAPER 40 11 0 CM 100 PK
WHT1440-110
EF8364E 11 cm Pack of 100
$70.17
Add to Cart This item is not currently stocked. Allow 2-3 weeks. Please contact us if you'd like us to keep stock in the future. In Stock
FILTER PAPER 40 9 0 CM 100 PK
WHT1440-090
EF8364D 9 cm Pack of 100
$59.10
Add to Cart This item is not currently stocked. Allow 2-3 weeks. Please contact us if you'd like us to keep stock in the future. In Stock
FILTER PAPER 40 24 0 CM 1
WHT1440-240
EF8364J 24 cm Pack of 100
$247.32
Add to Cart This item is not currently stocked. Allow 2-3 weeks. Please contact us if you'd like us to keep stock in the future. In Stock