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VWR® Tris Buffer Solution, pH 7,5 (1 mol/L), UltraPure Grade

Artikel nummer : (E691-500ML)

Leverantör: VWR Chemicals

Beskrivning: TRIS buffer solution pH 7,5 (1 mol/l), VWR®

UOM: 1 * 500 mL

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Fosfor 1.000 mg/l vatten AVS TITRINORM standard för AAS

Leverantör: VWR Chemicals

Beskrivning: Phosphorus Standard, 1000 mg/L, VWR®, Phosphorus, Matris: H₂O, Applikation: AAS standarder

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Tenn 1.000 mg/l 20% saltsyra AVS TITRINORM standard för AAS

Leverantör: VWR Chemicals

Beskrivning: Tin Standard, 1000 mg/L, VWR® AVS TITRINORM, Tenn, Matris: 20% HCl, Applikation: AAS standarder

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Koppar(II)acetat monohydrat 98.0-102.0%, AnalaR NORMAPUR®

Artikel nummer : (84843.230)

Leverantör: VWR Chemicals

Beskrivning: Koppar(II)acetat monohydrat 98.0-102.0%, AnalaR NORMAPUR®

UOM: 1 * 250 g

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VWR®, Cell culture media, Schneider's Drosophila medium

Artikel nummer : (392-0419)

Leverantör: VWR Chemicals

Beskrivning: Schneider's Drosophila medium promotes rapid growth of both primary and existing cell cultures derived from <i>Drosophila spp</i> and several other dipterans when supplemented with 5 to 20% heat-inactivated foetal bovine serum.

UOM: 1 * 500 mL

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VWR®, Cell culture media, Dulbecco's Modified Eagles Medium (DMEM)

Leverantör: VWR Chemicals

Beskrivning: Dulbecco's Modified Eagle Medium (DMEM) is designed to preserve and maintain the growth of a broad spectrum of mammalian cell types.

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VWR®, Cell culture salt solutions, Dulbecco's Phosphate Buffered Saline (DPBS)

Leverantör: VWR Chemicals

Beskrivning: DPBS is commonly used salt solution in cell enumeration as a diluent, for rinsing cells and as a buffer in many chromatographic procedures. DPBS is also used in FACS (Fluorescence-Activated Cell Sorting) process to wash and re-suspend cells during the dissociation process, as well as for many analytical methods or biochemical treatments.

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VWR®, Lymphocyte separation media

Leverantör: VWR Chemicals

Beskrivning: Lymphocyte separation media is a density gradient medium for the isolation of mononuclear cells from peripheral blood, cord blood and bone marrow.

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

Leverantör: VWR Chemicals

Beskrivning:

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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