Products

PRAT DUMAS hardened quantitative filter paper, slow flow rate

Hardened low ash paper (max 0.02%), as an intermediate solution between quantatitive ash free paper (max 0.002%) and qualitative paper low ash (max 0.06%) for non critical quantitative works. Recommended for thin precipitates, such as barium, lead, zinc or nickel sulfate, barium fluoride or barium hydroxide. High wet resistance. Surface weight 80 g/m², pore 7 - 9 μm, thickness 290 μm. Available in flat disks (foiled bags of 100 disks, with no carton box), or folded (in a carton box). Equivalent to: Whatman 50

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PRAT DUMAS hardened quantitative filter paper, medium flow rate

Hardened low ash paper (max 0.02%), as an intermediate solution between quantatitive ash free paper (max 0.002%) and qualitative paper low ash (max 0.06%) for non critical quantitative works. Medium flow rate is the adequate for a general use, being the intermediate filter in terms of flow rate and retention. High wet resistance. Surface weight 80 g/m², pore 8 - 12 μm, thickness 270 μm. Available in flat disks (foiled bags of 100 disks, with no carton box), or folded (in a carton box). Equivalent to: Whatman 52

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PRAT DUMAS hardened quantitative filter paper, fast flow rate

Hardened low ash paper (max 0.02%), as an intermediate solution between quantatitive ash free paper (max 0.002%) and qualitative paper low ash (max 0.06%) for non critical quantitative works. Its flow rate makes it recommendable for large precipitates, such as iron hydroxyde and other metal sulfates. High wet resistance. Surface weight 80 g/m², pore 12 - 16 μm, thickness 250 μm. Available in flat disks (foiled bags of 100 disks, with no carton box), or folded (in a carton box). Equivalent to: Whatman 54

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Universal pH test papers, roll

Universal pH test paper in rolls 5 m long and 7 mm wide. Each roll is stored in a plastic dispenser with a printed color scale with pH intervals of 1

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Antibiotic control filter paper (antibiograms)

Very thick and absorbent cotton fiber used to determine the suitable antibiotic for a particular infection treatment. Surface weight 420 g/m². Available in flat disks

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Lens and optical elements cleaning tissue

In packs of 100 sheets

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Blaine test filter paper

Special paper for determining the fineness of cement according to EN 196-6:2010 standard. Methods of ciment testing. Determination of fineness. Available in flat disks. Diameters: 12,7 mm or 40,5 mm

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Blotting paper for germination tests

Blotting paper used in laboratory for the tests and the controls of germination. It allows to determine the capacity of germination of seeds. Good absorption capacity (300 %). Paper supplied in wrinkled bands (50 double folds) of 2 m length and 110 mm wide. Color: white, yellow or grey

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Phase separating paper

Hydrophobic paper for the fast separation of aqueous solutions from hydrofuge solvents. Useful with organic solvents heavier or lighter than water. Replaces separatory funnels in many applications. Available in flat disks. Equivalent: Whatman 1 PS

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Litmus paper strips

Basic indicator paper when a precise pH value is not needed. Blue litmus paper turns to red when a solution goes from basic to acidic while red litmus paper turns to blue when a solution goes from acidic to basic. Neutral litmus paper turns to blue when going to basic and red when going to acid. Each plastic box contains 10 booklets with 20 paper strips each

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Long handle Pharmascoop, Premium Line

In 316 L stainless steel with an excelent corrosion resistance and autoclavable.  Ideal for sampling and dispensing  granules and powder. With a polished mirror finish and crevice free, easy to clean. With a long handle of 600 mm to reach deep or far samples

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Sampling pharma scoop, Premium Line

In 316L stainless steel with an excelent corrosion resistance and autoclavable. Ideal for sampling and dispensing granules and powder. With a polished mirror finish and crevice free, easy to clean

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