WHA1541320
Whatman® quantitative filter paper, hardened ashless, Grade 541
circles, diam. 320 mm, pack of 100
Synonym(s):
Z752819
About This Item
Recommended Products
material
circles
cotton filters (high-quality cotton linters)
packaging
pack of 100
manufacturer/tradename
Whatman 1541-320
Whatman Article No. 28418243 (US reference)
parameter
34 sec/100 mL speed (Herzberg)
7 psi wet burst
diam.
320 mm
thickness
155 μm
ash
≤0.006%
pore size
22 μm (Particle retention)
basis weight
82 g/m2
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General description
Along with fast Grade 541 filter paper, the hardened, ashless range from Cytiva′s business includes general-purpose Grade 540 and Grade 542 for fine particle retention. All three paper grades are appropriate for use in gravimetric analysis with strong acids and alkali samples.
Application
- Use as an animal foodstuff filter for determining fiber content
- Determination of gelatin content in milk and cream
- Quantification of chloride in cement, as well as chloride and phosphorous in coal and coke
Features and Benefits
- High wet-strength
- High chemical resistance to strong acid and alkali suspensions
- Retention of gelatinous precipitate
- 22 µm nominal particle retention rating
- Fast flow rate (Herzberg filtration speed 34 s)
- Maximum of 0.006% ash concentration
Other Notes
Legal Information
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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