Partikelstørrelsesstandarder

Standarder er afgørende for periodisk kontrol af udstyrsnøjagtigheden, da de opfylder regler i enhver branche. Ved at sammenligne med de kendte værdier registrerer outputaflæsninger eventuelle fejl og informerer personale om nødvendige justeringer. Når indstillingerne for de manuelle eller automatiske instrumenter er vendt tilbage til nul, vil de genetablerede forhold give optimal arbejdsydelse. Kalibrering med koncentrerede standarder eliminerer muligheden for, at miljøændringer vil forårsage instrumentfejlberegninger, når nøjagtighed er mest vigtigt.

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Micro particles based on melamine resin nile blue-marked, analytical standard, Supelco®

Supplier: Merck

Aqueous suspension, 2,5% solids, Partikelstørrelse: 10 µm, Nøjagtighed: std dev <0,15 µm, Analytical standard

Expand 1 Items

Micro particles based on melamine resin, analytical standard, Supelco®

Supplier: Merck

Aqueous suspension, 10% solids, Partikelstørrelse: 3 µm, Nøjagtighed: std dev <0,1 µm, Analytical standard

Expand 3 Items

Micro particles based on melamine resin FITC-marked, analytical standard, Supelco®

Supplier: Merck

Aqueous suspension, 2,5% solids, Partikelstørrelse: 10 µm, Nøjagtighed: std dev <0,3 µm, Analytical standard

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Polydisperse particle standards, CRM, Supelco®

Supplier: Merck

Particle Size Standard, PS202, Partikelstørrelse: 3 - 30 µm, Certified reference material, 10× 0,1g

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Micro particles based on polystyrene, analytical standard, Supelco®

Supplier: Merck

Aqueous suspension, 10% solids, Partikelstørrelse: 20 µm, Nøjagtighed: std dev <0,3 µm, Analytical standard

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Micro particles based on melamine resin, carboxylate-modified FITC-marked, analytical standard, Supelco®

Supplier: Merck

Aqueous suspension, 2,5% solids, Partikelstørrelse: 10 µm, Nøjagtighed: std dev <0,3 µm, Analytical standard

Expand 2 Items

Micro particles based on polymethacrylate, analytical standard, Supelco®

Supplier: Merck

Particle suspension 10% solids, Partikelstørrelse: 60 µm, Nøjagtighed: std dev <2 µm, Analytical standard

Expand 6 Items

Micro particle size standard based on polystyrene monodisperse, analytical standard, Supelco®

Supplier: Merck

Aqueous suspension, 2% solids, Partikelstørrelse: 4,0 µm, Nøjagtighed: std dev <0,1 µm, Analytical standard

Expand 13 Items

Sieve Standards, Polydisperse Particle Standard

Supplier: WHITEHOUSE

The Polydisperse particle standards formally known as the BCR 'Mirror' standards were made both to assess the performance of the analytical laboratories and to augment a limited supply of the official standards. Although sub-divided, the BCR samples were never certified, which leaves these new polydisperse particle standards as the most comprehensively analysed set of spherical particle size reference standards available.