Supplier: Merck

Potassium Standard, 1000 mg, Titrisol®, Supelco®, Potassium, Matrix: H₂O, Application: AAS standards

Supplier: Merck

Potassium Standard, 1000 mg/L, TraceCERT®, Supelco®, Potassium, Matrix: H₂O/tr HNO₃, Application: Ion chromatography standards

Supplier: Merck

Potassium Standard, 1000 mg/L, Certipur®, Supelco®, Potassium, Matrix: 2-3% HNO₃, Application: ICP standards

Supplier: Merck

Potassium Standard, 10000mg/L, Certipur®, Supelco®, Potassium, Matrix: 2-3% HNO₃, Application: ICP standards

Supplier: Merck

Potassium Standard, 1000 mg/L, Certipur®, Supelco®, Potassium, Matrix: 0,5 M HNO₃, Application: AAS standards

Supplier: VWR Chemicals

Potassium Standard, 1000 mg/L, VWR®, Potassium, Matrix: 2% HNO₃, Application: AAS standards

Supplier: Avantor

Potassium Standard, 1000 mg/L, J.T.Baker® BAKER INSTRA-ANALYZED®, J.T. Baker®, Potassium, Matrix: 2% HNO₃, Application: ICP standards

Supplier: VWR Chemicals

Potassium Standard, 1000 ppm, VWR®, Potassium, Matrix: 2-5% HNO₃, Application: ICP-MS standards

Supplier: VWR Chemicals

Potassium Standard, 1000 mg/L, VWR® ARISTAR®, Potassium, Matrix: H₂O, Application: Ion chromatography standards

Supplier: VWR Chemicals

K in H₂O tr.HNO₃.

Supplier: VWR Chemicals

KNO₃ in HNO₃ 2 to 5%.

Supplier: VWR Chemicals

KNO₃ in HNO₃ 2 to 5%.

Supplier: VWR Chemicals

K in H₂O tr.HNO₃.

Supplier: Thermo Fisher Scientific

Potassium Standard, 10000mg/L, Specpure®, Potassium, Matrix: 5% HNO₃, Application: ICP standards

Supplier: Thermo Fisher Scientific

Potassium Standard, 1000 µg/g, Specpure®, Potassium, Matrix: Mineral oil, Application: Oil based standards

Supplier: Thermo Fisher Scientific

Potassium Standard, 5000 µg/g, Specpure®, Potassium, Matrix: Mineral oil, Application: Oil based standards

Supplier: Honeywell Chemicals

Certified Reference Materials (CRMs)

Supplier: PerkinElmer

Until 10th October 2017 it is still allowed to use mercury thermometers if they are exclusively intended to be used for tests as per standards which require the usage of mercury thermometers.

Supplier: Honeywell Chemicals

Certified Reference Materials (CRMs)

Supplier: Honeywell Chemicals

Certified Reference Materials (CRMs)

Supplier: Honeywell Chemicals

Certified Reference Material (CRM)

Supplier: ACTIVE MOTIF

Potassium Standard, 1000 mg/L, Potassium, Matrix: H₂O, Application: ICP standards

Supplier: ACTIVE MOTIF

Potassium Standard, 10000mg/L, Potassium, Matrix: H₂O, Application: ICP standards

Supplier: ACTIVE MOTIF

Potassium Standard, 1000 mg/L, Potassium, Matrix: H₂O, Application: Ion chromatography standards

Supplier: Thermo Fisher Scientific

Potassium Standard, 1000 mg/L, Specpure®, Potassium, Matrix: 5% HNO₃, Application: ICP standards

Supplier: ACTIVE MOTIF

Potassium Standard, 10000mg/L, Potassium, Matrix: 2% HNO₃, Application: ICP standards

Supplier: ACTIVE MOTIF

Potassium Standard, 1000 mg/L, Potassium, Matrix: 2% HNO₃, Application: ICP standards

Supplier: Thermo Fisher Scientific

Potassium Standard, 1000 mg/L, Specpure®, Potassium, Matrix: 5% HNO₃, Application: AAS standards

Supplier: PerkinElmer

Potassium Standard, 1000 mg/L, Potassium, Matrix: 2% HNO₃, Application: ICP standards

Supplier: Thermo Fisher Scientific

Potassium Standard, 1000 mg/L, Potassium, Matrix: 2-5% HNO₃, Application: AAS standards