Silicon standard solution, 1000 mg/L Si in water with hydrofluoric acid (maximum 1%) (from ((NH₄)₂SiF₆) Certipur® standard for AAS, Supelco®

: Merck

Silicon standard solution, 1000 mg/L Si in water with hydrofluoric acid (maximum 1%) (from ((NH₄)₂SiF₆) Certipur® standard for AAS, Supelco®

: Merck

: Traceable to SRM from NIST.

M-Clarity quality level:
MQ100

Certipur

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VWR®, Aluminium standard solution, 1000 mg/L Al in 2% hydrochloric acid AVS TITRINORM standard for AAS

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Magnesium standard solution, 1000 mg/L Mg in 0,5 M nitric acid (from Mg(NO₃)₂) Certipur® standard for AAS, Supelco®

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Scandium standard solution, 1000 mg/L Sc in 7% nitric acid (from Sc₂O₃) Certipur® standard for ICP, Supelco®

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Water, Ultrapur for trace analysis, Supelco®

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Vanillin for synthesis, Sigma-Aldrich®

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: Merck

Ammonium CRMs, standard solutions, Supelco®

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Potassium standard solution, 1000 mg/L K in dilute nitric acid (from KNO₃) Certipur® standard for ICP, Supelco®

: Merck

Samarium standard solution, 1000 mg/L Sm in dil. nitric acid (from Sm₂O₃) Certipur® standard for ICP, Supelco®

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Aluminium standard solution, 1000 mg/L Al in 0,5 M nitric acid (from Al(NO₃)₃), standard for AAS, Certipur®, Supelco®

: Merck

Thorium standard solution, for ICP, in 5% HNO₃, CRM, VHG

: LGC Standards PROMOCHEM

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: VWR Chemicals

Sodium Chloride for analysis, ACS, ISO 1 * 1.000 g

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Ashless hardened quantitative filter paper

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Urea ≥98%

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