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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Potassium chloride 3 mol/l (3 N) in aqueous solution

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Sodium hydroxide 50% in aqueous solution Reag. Ph. Eur. 1081406 carbonate-free

: VWR Chemicals

Water, Ultrapur for trace analysis, Supelco®

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Gallium standard solution, 1000 mg/L Ga in dilute nitric acid (from Ga(NO?)?) Certipur® standard for ICP, Supelco®

: Merck

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

: VWR Chemicals

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

: Merck

Sample bottles without push-on Closure

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Titanium standard solution, 1000 mg/L Ti in water (from (NH₄)₂TiF₆) Certipur® standard for AAS, Supelco®

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Test kits, silicate, Spectroquant®, Supelco®

: Merck

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

: Merck

Selenium standard solution, 1000 mg/L Se in 0,5 M nitric acid (from SeO₂) Certipur® standard for AAS, Supelco®

: Merck

Bismuth standard solution, 1000 mg/L Bi in 0,5 M nitric acid (from Bi(NO₃)₃) 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

: Thermo Fisher Scientific

Riboflavine (vitamin B2) ≥98%

: Thermo Fisher Scientific

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

: PanReac AppliChem

Ashless hardened quantitative filter paper

: Ahlstrom-Munksjö