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Mercury (II) potassium iodide lösning Reag. Ph. Eur. 1071500

Artikel nummer : (87921.180)

Leverantör: VWR Chemicals

Beskrivning: Mercury (II) potassium iodide lösning Reag. Ph. Eur. 1071500

UOM: 1 * 100 mL

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Potassium-2-thienyltrifluoroborate

Leverantör: Apollo Scientific

Beskrivning: Potassium-2-thienyltrifluoroborate

Potassium-4-carboxyphenyltrifluoroborate

Leverantör: Apollo Scientific

Beskrivning: Potassium-4-carboxyphenyltrifluoroborate

Potassium xanthogenate (potassium-O-ethyl dithiocarbonate) ≥97%

Leverantör: Thermo Fisher Scientific

Beskrivning: Potassium xanthogenate (potassium-O-ethyl dithiocarbonate) ≥97%

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Potassium hexacyanoferrate(II) lösning 7 g/l

Artikel nummer : (31138.368)

Leverantör: VWR Collection

Beskrivning: Enamel Rating Solution #8

UOM: 1 * 5 L

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Kaliumnitrat ≥97%, TECHNICAL

Artikel nummer : (26857.368)

Leverantör: VWR Chemicals

Beskrivning: Kaliumnitrat ≥97%, TECHNICAL

UOM: 1 * 5 kg

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Kalium 1000 mg/L i utspädd salpetersyra (av KNO₃) Certipur® standard för ICP, Supelco®

Artikel nummer : (1.70342.0100)

Leverantör: Merck

Beskrivning: Potassium Standard, 1000 mg/L, Certipur®, Supelco®, Kalium, Matris: 2-3% HNO₃, Applikation: ICP standarder

UOM: 1 * 100 mL

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Kaliumbromid, Uvasol® för IR-spektrofotometri, Supelco®

Leverantör: Merck

Beskrivning: Potassium bromide is transparent from the near UV to long wave IR wavelengths. In IR-spectroscopy, solid samples which are difficult to melt or dissolve in any suitable IR-transmitting solvent, are analysed by grinding with potassium bromide powder, and pressing into a disc. This procedure has a high quality demand of the used potassium bromide. Potassium bromide Uvasol® is adjusted to a mean particle size of 150 μm. This is sufficient for the preparation of perfectly good pellets without the need for further pre-treatment and the associated risk of contamination. It also retains its powdery form over a period of years if stored in an airtight condition. Its physical suitability for pelletising is checked by a special application test and its chemical purity established by full spectrum FT-IR analysis.

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