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Copper di-ammonium EDTA 0.1 mol/l, AVS TITRINORM

Katalógové číslo: (86186.260)

Dodávateľ: VWR Chemicals

Opis: Copper di-ammonium EDTA 0.1 mol/l, AVS TITRINORM

Merná jednotka: 1 * 500 mL

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nehodí sa Každý

Copper di-ammonium EDTA 0.025 M volumetric solution, for complexometry, Supelco®

Dodávateľ: Merck

Opis: For complexometric titration with copper-selective electrode (Cu-ISE).

Copper di-ammonium solution Cu(NH₄)₂-EDTA 0.1 mol/l, Titriplex®, Supelco®

Katalógové číslo: (1.05217.0500)

Dodávateľ: Merck

Opis: Copper di-ammonium solution Cu(NH₄)₂-EDTA 0.1 mol/l, Titriplex®, Supelco®

Merná jednotka: 1 * 500 mL

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nehodí sa Každý

VWR®, Total Hardness Indicator, Tablets for Hardness of Water Determinations, Avantor

Dodávateľ: VWR Chemicals

Opis:

Indicator tablets for determination of water hardness by titration with EDTA.

Specifications
Minimum weight: ≥ 0.20 g
Maximum weight: ≤ 0.23 g
Disintegration time (at 25°C): ≤ 150 s
Application test: conforms

The tablets are dissolved in 100 ml of the water sample to be tested, which has been buffered at pH 10 with 1 ml of Ammonia/ Ammonium chloride buffer solution, and then titrated with EDTA solution (0,01 M) till the sample turns from red to blue.
Total hardness in mg/l = 10×ml of titrant used.

Control samples of calcium carbonate should be used to calibrate the method.

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Copper edetate solution Reag. Ph. Eur. 1022300

Katalógové číslo: (87807.290)

Dodávateľ: VWR Chemicals

Opis: Starting materials: Copper acetate R / Sodium edetate / Water R

Merná jednotka: 1 * 1 L

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nehodí sa Každý

Ammonium copper(II) sulphate hexahydrate 99%

Dodávateľ: Thermo Fisher Scientific

Opis: Ammonium copper(II) sulphate hexahydrate 99%

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Ammonium tetrachlorocuprate dihydrate

Dodávateľ: Thermo Fisher Scientific

Opis: Ammonium tetrachlorocuprate dihydrate

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Molecular biology kit universal

Katalógové číslo: (R033)

Dodávateľ: G BIOSCIENCES

Opis: Molecular biology universal kit, contains 25 ml each of ammonium acetate, calcium chloride, EDTA, lithium acetate, magnesium chloride, potassium acetate, potassium chloride, SDS, sodium chloride, TE, Tris pH 7,0 and Tris pH 8,0

Merná jednotka: 1 * 1 KIT

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nehodí sa Každý

Dehydrated culture media, YNB media, MP Biomedicals

Dodávateľ: MP BIOMEDICALS

Opis: YNB media, a component of synthetic defined yeast media is a well defined composition of salts, vitamins and nitrogen source for a vigorous growth of <i>S. cerevisiae</i>.

Zincon sodium salt, brown powder

Dodávateľ: MP BIOMEDICALS

Opis: Zincon is a colorimetric indicator for Zn, Cu and Hg. Reagent for the spectrophotometric determination of zinc. Simultaneous determination of zinc and copper. Used in automated flow injection analysis of zinc. As a metal indicator for EDTA titration of Zn, or for the back titration of Ca in the presence of Mg with glycoletherdiaminetertraacetic acid (GEDTA or EGTA).

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