"Analytical Standards"
VWR® PESTINORM®, 1,4-Dioxane, Stabilised, Secondary Reference Standard for GC
Supplier: VWR Chemicals
Stabilised with BHT (2,6-Di-tert-butyl-p-cresol, 2,6-Di-tert-butyl-4-methylphenol, Ionol) 20 ppm. A secondary GC solvent reference standard for various chromatographic and analytical applications.
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VWR®, Total Base Number (TBN) standards
Supplier: VWR Chemicals
Total Base Number (TBN) standards are specifically manufactured for the verification of analytical instruments used to determine base number by potentiometric titration. Each standard is certified in strict accordance with international test method protocols, ASTM D2896 / IP 276.
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Grade 3 qualitative filter papers, Whatman™
Supplier: Whatman products (Cytiva)
A standard grade filter used in qualitative analytical techniques to determine and identify materials. For use in büchner funnels.
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VWR® PESTINORM®, Di-isopropyl Ether, Stabilised, Secondary Reference Standard for GC
Supplier: VWR Chemicals
Stabilised with BHT (2,6-Di-tert-butyl-p-cresol, 2,6-Di-tert-butyl-4-methylphenol, Ionol) 40 ppm. A secondary GC solvent reference standard for various chromatographic and analytical applications.
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Qualitative filter papers, standard grades, grade 593 ¹/₂, Whatman™
Supplier: Whatman products (Cytiva)
These cellulose filters are used in qualitative analytical techniques to determine and identify materials. A standard grade filter paper for fine precipitates.
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