JUAL KERTAS SARING 1441-125 WHATMAN DI BOGOR 087883373726, Cytiva’s Whatman Grade 41 filter paper stands out as one of the fastest in the Whatman ashless quantitative range. Designed specifically for gravimetric analysis, it is highly effective in monitoring environmental pollutants in both soil and air samples.

With an exceptionally low ash content of no more than 0.007%, this filter ensures reliable and accurate results. It offers a nominal particle retention of approximately 20 µm and a rapid filtration rate, with a Herzberg value of 54 seconds—making it ideal for routine environmental testing.

In addition to Grade 41, the Whatman quantitative filter paper series includes a wide selection of grades with varying particle retention capacities, filtration speeds, and thicknesses—allowing users to choose the most suitable filter for their specific precipitate. For applications involving harsh chemicals like strong acids or bases, hardened ashless variants are also available to ensure durability and performance.

JUAL KERTAS SARING 1441-125 WHATMAN DI BOGOR 087883373726, The Grade 41 Fast Ashless Filter Paper (125 mm circle, pack of 100) is engineered for rapid filtration and high-purity analytical applications. With an exceptionally low nominal ash content of 0.007% and fast water flow rate of 254 mL/min at 45 psi, this paper is ideal for gravimetric analysis and sample preparation in both environmental and industrial labs.

Made from high-quality cotton linters with ≥98% alpha cellulose, it ensures consistent chemical composition and minimal contamination—making it suitable for sensitive quantitative procedures. The paper features a nominal particle retention of 20 µm, a thickness of 215 µm, a basis weight of 85 g/m², and an air flow rate of 4 s/100 mL/in².

Grade 41 is particularly well suited for analytical work involving coarse or gelatinous precipitates such as iron or aluminum hydroxides. It is also widely used in air pollution monitoring, where it acts as an impregnated tape substrate for high-flow sampling of gaseous compounds. With tight control of trace elements—including iron (12 µg/g), sodium (16.8 µg/g), and zinc (64.5 µg/g)—this filter provides reliable performance for demanding analytical tasks. JUAL KERTAS SARING 1441-125 WHATMAN DI BOGOR 087883373726.

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