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Hledali jste: Standardy pro stanovení vody (dle metody Karla Fischera)

These water standards are the standards of choice to monitor the performance of Karl Fischer instrumentation, determine the titer of volumetric Karl Fischer reagents, and verify final water content results. These ampoulized liquid standards are directly traceable to NIST and are manufactured under strict control using validated procedures. Water standards 1% and 0.1% are recommended for use in volumetric applications, while the water standards 0.1% and 0.01% are recommended for coulometric applications.

These water standards are the standards of choice to monitor the performance of Karl Fischer instrumentation, determine the titer of volumetric Karl Fischer reagents, and verify final water content results. These ampoulized liquid standards are directly traceable to NIST and are manufactured under strict control using validated procedures. Water standards 1% and 0.1% are recommended for use in volumetric applications, while the water standards 0.1% and 0.01% are recommended for coulometric applications.


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Popis: Karl Fischer standard di-sodium tartrate dihydrate, VWR®, 15,61 - 15,71% H₂O, Secondary reference standard, Glass bottle
Katalogové číslo: 85692.100
Měrná jednotka: 1 * 100 g
Dodavatel: VWR Chemicals

Popis: Coulometric standard 0,01% water (propylene carbonate based), VWR®, 100 μg/g, CRM, Pack of 10×4 g ampoules
Katalogové číslo: 88435.004
Měrná jednotka: 1 * 10 Ampoul
Dodavatel: VWR Chemicals

Popis: Coulometric standard 0,1% water, VWR®, 1000 μg/g, CRM, Pack of 10×4 g ampoules
Katalogové číslo: 88427.004
Měrná jednotka: 1 * 10 Ampoul
Dodavatel: VWR Chemicals

Popis: Coulometric standard 1% water, VWR®, 10000 μg/g, CRM, Pack of 10×8 g ampoules
Katalogové číslo: 85487.008
Měrná jednotka: 1 * 10 Ampoul
Dodavatel: VWR Chemicals

Popis: CRM water standard, VWR®, 1000 μg/g, Matrice: Anisole, Citlivosti: 1,06%, Pack of 10×5 ml vials
Katalogové číslo: 85484.005
Měrná jednotka: 1 * 1 KIT
Dodavatel: VWR Chemicals

Popis: Coulometric standard 1% water, VWR®, 10000 μg/g, CRM, Pack of 10×4 g ampoules
Katalogové číslo: 85487.004
Měrná jednotka: 1 * 10 Ampoul
Dodavatel: VWR Chemicals

Popis: Lactose solid standard, VWR®, 4,98 ±0,03% H₂O, CRM
Katalogové číslo: 85449.100
Měrná jednotka: 1 * 10 g
Dodavatel: VWR Chemicals

Popis: Coulometric standard 0,01% water (xylenes based), VWR®, 100 μg/g, CRM, Pack of 10×4 g ampoules
Katalogové číslo: 88434.004
Měrná jednotka: 1 * 10 Ampoul
Dodavatel: VWR Chemicals

Popis: Coulometric standard 0,1% water, VWR®, 1000 μg/g, CRM, Pack of 10×8 g ampoules
Katalogové číslo: 88427.008
Měrná jednotka: 1 * 10 Ampoul
Dodavatel: VWR Chemicals

Popis: Karl Fischer Solid standard for oven method, VWR®, 1%, CRM, Bottle
Katalogové číslo: 88433.005
Měrná jednotka: 1 * 5 g
Dodavatel: VWR Chemicals

Popis: Volumetric standard 0,5% water, VWR®, 5000 μg/ml, CRM, Bottle
Katalogové číslo: 85488.230
Měrná jednotka: 1 * 250 mL
Dodavatel: VWR Chemicals

Popis: Karl Fischer volumetric fixed water standard - sodium tartrate dihydrate, VWR®, 15,66 ±0,05% H₂O, CRM, Glass bottle
Katalogové číslo: 88428.001
Měrná jednotka: 1 * 1 g
Dodavatel: VWR Chemicals

Popis: Karl Fischer liquid standard mineral oil based, VWR®, <30 ppm, CRM, Pack of 10×8 g ampoules
Katalogové číslo: 88429.008
Měrná jednotka: 1 * 10 Ampoul
Dodavatel: VWR Chemicals

Popis: CRM water standard, VWR®, 100 μg/g, Matrice: Anisole, Citlivosti: 1,06%, Pack of 5×20 ml vials
Katalogové číslo: 85483.020
Měrná jednotka: 1 * 1 KIT
Dodavatel: VWR Chemicals

Popis: CRM water standard, VWR®, 5000 μg/g, Matrice: Anisole:Isopropanol (90:10), Citlivosti: 1,06%, Pack of 10×2 ml vials
Katalogové číslo: 85485.002
Měrná jednotka: 1 * 1 KIT
Dodavatel: VWR Chemicals

Popis: CRM water standard, VWR®, 60 μg/g, Matrice: Anisole, Citlivosti: 1,06%, Pack of 10×5 ml vials
Katalogové číslo: 85482.005
Měrná jednotka: 1 * 1 KIT
Dodavatel: VWR Chemicals

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