Skip to Content
Merck
All Photos(1)

Documents

TURB4000

Supelco

Turbidity 4000 NTU Calibration Standard - Formazin

certified reference material

Synonym(s):

Formazin Turbidity Calibration Standard (4000 NTU)

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

UNSPSC Code:
41116107
NACRES:
NA.24

grade

certified reference material

Quality Level

300

CofA

certificate is enclosed in each package

manufacturer/tradename

RTC TURB4000-100

concentration

in H2O

application(s)

environmental

format

matrix material

storage temp.

2-8°C

General description

This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.

Application

This CRM can be used to calibrate and validate all types of laboratory turbidity meters in the 4000 Nephelometric Turbidity Unit (NTU).

Features and Benefits

  • Gravimetrically prepared standard, verified and qualified in an ISO/IEC 17025 and ISO 17034 accredited laboratory
  • Traceable to the SI and higher order standards from NIST
  • Assigned value based on a purity determination by mass balance and gravimetrically prepared value
  • Homogeneity assessed in accordance with ISO Guide 35
  • Available in high-density polyethylene bottles of volumes 100, 500, and 1000 mL to assure safe delivery
  • Accompanied with a certificate of analysis (CoA) having information on the expiry date for an effective audit
  • Prepared using deionized water as a solvent

Other Notes

Values of analytes vary lot to lot. Some lots may not contain all analytes.

Pictograms

Health hazardExclamation mark
GHS08,GHS07

Signal Word

Danger

Hazard Statements

H317,H350,H412

Hazard Classifications

Aquatic Chronic 3 - Carc. 1B - Skin Sens. 1

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
LRAE0039
LRAD9262
LRAD9049
LRAD8689
LRAD7939

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Robina M Meyer et al.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 158, 123-131 (2020-11-23)
Biopharmaceutical products contain conformational and chemical variants, that are typically well characterized regarding identity and activity. However, little is known about their self-interaction propensity and tendency to unfold, which are critical characteristics for drug stability and safety. This study aimed
Robina M Meyer et al.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 160, 134-142 (2021-02-02)
Monoclonal antibodies (mAbs) are valuable tools both in therapy and in diagnostic. Their tendency to aggregate is a serious concern. Since a mAb drug substance (DS) is composed of different variants, it is important for manufacturers to know the behavior

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service