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Merck
CN

1.14676

CombiCheck 10 standard solution

photometric, Spectroquant®

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UNSPSC Code:
41116116
NACRES:
SE.11

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产品名称

CombiCheck 10, photometric, Spectroquant®

product line

Spectroquant®

analyte functional class(es)

chemical oxygen demand (COD)

specific analyte(s)

ammonium, chloride, nitrate, phosphate, sulfate

technique(s)

photometry: suitable

application(s)

agriculture
aquaculture
boiler and cooling water
construction materials
disposal drainage water
drinking water
electroplating
environmental
food testing
ground and surface water
mineral water
power plants
seawater
swimming pools
wastewater

detection method

photometric (ammonium, chloride, COD, nitrate, phosphorus and sulfate)

format

multi-component solution

storage temp.

15-25°C

Quality Level

100

相关类别

Analysis Note

Standard Solution Reagent R-1:

Ammonium: 4.00 ± 0.30 mg/L NH4-N
Chloride: 25 ± 6 mg/L Cl
COD: 80 ± 12 mg/L COD
Nitrate: 2.50 ± 0.40 mg/L NO3-N
Phosphorous: 0.80 ± 0.08 mg/L PO4-P
Sulfate: 100 ± 15 mg/L SO4

Addition Solution Reagent R-2 (Spike sample):

Ammonium: 3.00 ± 0.25 mg/L NH4-N
Chloride: 25 ± 6 mg/L Cl
COD: 30 ± 8 mg/L COD
Nitrate: 3.00 ± 0.50 mg/L NO3-N
Phosphorous: 0.60 ± 0.07 mg/L PO4-P
Sulfate: 40 ± 5 mg/L SO4

Application

CombiCheck 10 can be used to check the photometric measurement system (reagents, measurement device, handling) and the mode of working.

Features and Benefits

  • 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

General description

This Spectroquant® CombiCheck 10 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.

Legal Information

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

存储类别

12 - Non Combustible Liquids

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

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商品

Comprehensive Quality Assurance and Process Control

Optimize measurement reliability with advanced analytical quality assurance and process control using Spectroquant®, MQuant®, TraceCERT®, and more.

实验方案

Analytical Method: Sulfate in Building Materials

Photometric or turbidimetric determination subsequent to water extraction/fusion melting

Determination of Chloride in Meat and Sausage Products

Spectrophotometric chloride determination for accurate sodium chloride analysis in meat via using the iron(III)/mercury thiocyanate method.

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