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Key Documents

TURB4000

Supelco

Turbidity 4000 NTU Calibration Standard - Formazin

certified reference material

Synonym(s):

Formazin Turbidity Calibration Standard (4000 NTU)

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100 ML
CN¥170.58
1 L
CN¥592.64

CN¥170.58

Estimated to ship onApril 21, 2025Details

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100 ML
CN¥170.58
1 L
CN¥592.64

About This Item

UNSPSC Code:
41116107
NACRES:
NA.24

CN¥170.58

Estimated to ship onApril 21, 2025Details

Request a Bulk Order

grade

certified reference material

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

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This Item
0376176635PHR1270
Fumaric acid ≥99.0% (T)

47910

Fumaric acid

Fumaric acid tested according to USP/NF

03761

Fumaric acid

Fumaric acid certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

76635

Fumaric acid

Fumaric Acid Pharmaceutical Secondary Standard; Certified Reference Material

PHR1270

Fumaric Acid

assay

≥99.0% (T)

assay

≥99.5%

assay

-

assay

-

Quality Level

200

Quality Level

200

Quality Level

300

Quality Level

300

form

powder

form

fine crystals, powder

form

-

form

-

solubility

95% ethanol: soluble 0.46 g/10 mL, clear, colorless

solubility

-

solubility

-

solubility

-

vapor pressure

1.7 mmHg ( 165 °C)

vapor pressure

1.7 mmHg ( 165 °C)

vapor pressure

1.7 mmHg ( 165 °C)

vapor pressure

1.7 mmHg ( 165 °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

  • Specification Sheet

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    Certificates of Analysis (COA)

    Lot/Batch Number

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    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
    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

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