"Gravimetry"
VWR®, Colour standard solutions ASTM
Supplier: VWR Chemicals
Ready to use colour solutions that are prepared gravimetrically on a weight/weight basis.
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VWR®, Colour standards, Saybolt
Supplier: VWR Chemicals
Ready to use colour solutions that are prepared gravimetrically on a weight/weight basis.
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VWR®, Gardner colour standards
Supplier: VWR Chemicals
Ready to use colour solutions that are prepared gravimetrically on a weight/weight basis that are designed for grading the colour of similarly coloured liquids, such as resins, varnishes, lacquers, drying oils, fatty acids, lecithin's, sunflower and linseed oil.
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VWR®, Colour standards, Platinum-Cobalt (Pt-Co, Hazen)
Supplier: VWR Chemicals
Ready to use colour solutions that are prepared gravimetrically on a weight/weight basis and are designed to measure the visual colour of water supplies.
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J.T.Baker® BAKER INSTRA-ANALYZED®, Aluminium AA Standard
Supplier: Avantor
The standard is prepared by the careful dilution of the metal or its salt, usually 99,99% pure as verified by arc emission spectrometry.