1.14689

CombiCheck 70 Test, photometric

photometric, Spectroquant^®

• Codice UNSPSC: 41116116
• NACRES: SE.11

Proprietà

• product name: CombiCheck 70, photometric, Spectroquant^®
• Nome Commerciale: Spectroquant^®
• Livello qualitativo: 100
• Classi funzionali degli analiti: chemical oxygen demand (COD)
• Analiti specifici: ammonium, nitrogen
• tecniche: photometry: suitable
• Metodo di rivelazione: photometric (ammonium, COD and nitrogen)
• Formato: multi-component solution
• Temperatura di conservazione: 15-25°C

Descrizione

Descrizione generale

This Spectroquant^® CombiCheck 70 is a high-quality laboratory solution used for internal quality control and method-controlling purposes.

These Spectroquant^® standard solutions perfectly complement our ready-to-use test kits and photometers within the Spectroquant^® portfolio and are ideal for validating international norm methods described in e.g., ISO, EN, APHA, and EPA.

Please visit the Reference Material Quality Grade website to find a comprehensive overview of our different grades of standards.

Applicazioni

CombiCheck 70 can be used to check the photometric measurement system (reagents, measurement device, handling) and the mode of working.

Caratteristiche e vantaggi

• Manufactured and tested in DIN EN ISO 9001:2008 accredited laboratory
• The solution is pre-diluted to a concentration that falls into the range of our Spectroquant^® test kits. This eliminates the need for dilution prior to analysis and hence avoids a common source of error
• Ready-to-use diluted reference materials (RMs) along with expanded measurement uncertainty ensure absolute precision
• Accompanied with a certificate of analysis (COA) detailing the certified values, including uncertainty and expiry date
• Directly traceable to standard reference materials (SRM) from the National Institute of Standards and Technology (NIST) or to United States Pharmacopeia (USP)
• Reliable and reproducible results

Risultati analitici

Standard Solution Reagent R-1:

Ammonium: 50.0 ± 5.0 mg/L NH₄-N
COD: 5000 ± 400 mg/L COD
Nitrogen: 50 ± 7 mg/L N

Addition Solution Reagent R-2 (Spike sample):

Ammonium: 20.0 ± 2.0 mg/L NH₄-N
COD: 2000 ± 200 mg/L COD
Nitrogen: 20 ± 6 mg/L N

Note legali

SPECTROQUANT is a registered trademark of Merck KGaA, Darmstadt, Germany

Informazioni sulla sicurezza

• Codice della classe di stoccaggio: 12 - Non Combustible Liquids
• Classe di pericolosità dell'acqua (WGK): WGK 2
• Punto d’infiammabilità (°F): Not applicable
• Punto d’infiammabilità (°C): Not applicable