"Merck"
Hydrogensiřičitan sodný 39% vodný roztok for synthesis, Sigma-Aldrich®
Supplier: Merck
Hydrogensiřičitan sodný 39% vodný roztok for synthesis, Sigma-Aldrich®
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Propionaldehyd for synthesis, Sigma-Aldrich®
Supplier: Merck
Propionaldehyd for synthesis, Sigma-Aldrich®
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4'-Nitroacetanilide for synthesis, Sigma-Aldrich®
Supplier: Merck
4'-Nitroacetanilide for synthesis, Sigma-Aldrich®
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Thioacetic acid for synthesis, Sigma-Aldrich®
Supplier: Merck
Thioacetic acid for synthesis, Sigma-Aldrich®
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4,7,13,16,21,24-Hexaoxa-1,10-diazabicyclo[8.8.8]hexacosane (Kryptofix® 222) ≥99% (by GC) for synthesis, Sigma-Aldrich®
Supplier: Merck
4,7,13,16,21,24-Hexaoxa-1,10-diazabicyclo[8.8.8]hexacosane (Kryptofix® 222) ≥99% (by GC) for synthesis, Sigma-Aldrich®
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4-Hexylresorcinol for synthesis, Sigma-Aldrich®
Supplier: Merck
4-Hexylresorcinol for synthesis, Sigma-Aldrich®
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Vanilin for synthesis, Sigma-Aldrich®
Supplier: Merck
Vanilin for synthesis, Sigma-Aldrich®
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Cysteaminium chloride for synthesis, Sigma-Aldrich®
Supplier: Merck
Cysteaminium chloride for synthesis, Sigma-Aldrich®
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Ethylene glycolbismercaptoacetate for synthesis, Sigma-Aldrich®
Supplier: Merck
Ethylene glycolbismercaptoacetate for synthesis, Sigma-Aldrich®
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Listeria supplements
Supplier: Merck
Chromocult® Listeria agar enrichment supplement, Aplikace: Listeria
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TOC Standard Solutions, Certified Reference Materials, Ready-to-Use, for Photometry, Supelco®
Supplier: Merck
TOC standard solution, Supelco®, 10,0 mg/L TOC, Matrice: H₂O, pH rozsah: 4 - 6
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Tetramethylamoniumhydroxid 0.1 mol/L (0.1 N) in 2-propanol/methanol, Titripur® Reag. USP for titration in non-aqueous media, Supelco®
Supplier: Merck
Tetramethylamoniumhydroxid 0.1 mol/L (0.1 N) in 2-propanol/methanol, Titripur® Reag. USP for titration in non-aqueous media, Supelco®
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Standard solutions for analytical quality assurance, Supelco®
Supplier: Merck
The standard solutions offered below can be adjusted to a final concentration for the measurement range of a test system by dilution. In addition, these standards can be used to prepare spiking solutions for the standard addition procedure. They provide an economic and simple method of analytical quality control.
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Visual colour kit, alkalinity, MQuant®, Supelco®
Supplier: Merck
Quick tests with visual colour comparison.
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Hanus solution (Iodine bromine) c(IBr) = 0.1 mol/l, Titripur® for determination of iodine value, Supelco®
Supplier: Merck
Hanus solution (Iodine bromine) c(IBr) = 0.1 mol/l, Titripur® for determination of iodine value, Supelco®
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Thallium standard solution, 10.000 mg/l Tl in 0,5 M kyselině dusičné (from TlNO₃) Certipur® standard pro AAS, Supelco®
Supplier: Merck
Standardy - thallium, 1000 mg/L, Certipur®, Supelco®, Thallium, Matrice: 0,5 M HNO₃, Aplikace: Standardy AAS
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