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1.08961

Refractive index standard kit 2

traceable to NIST SRM, traceable to PTB, n20/D 1.4969

Synonym(s):

RI Calibration Kit for refractometers.

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1 set
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$884.00

About This Item

UNSPSC Code:
41116107
NACRES:
NA.24

$884.00

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Quality Segment

100

grade

analytical standard

agency

traceable to NIST SRM, traceable to PTB

storage temp.

15-25°C

General description

Toluene/water, traceable to SRM from NIST and PTB n (20°C)=1,4969 Certipur®

Application

Refractive index standard kit 2 for use as a calibration standard for refractometers.

Features and Benefits

  • Five 8ml ampoules of the standard solution and five 8ml ampoules with water are included in each kit
  • Traceable to recognized national standards, and to units of measurement recognized at the National Institute Standards and Technology (NIST) and Physical Technical Institute (PTB)
  • Solutions that are stable, ready to use, and have long minimum shelf lives 
  • A certificate of analysis (CoA) is included with every standard kit

Legal Information

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

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Refractive index standard kit 2 traceable to NIST SRM, traceable to PTB, n20/D 1.4969

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Supelco

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1.25033

COD Standard Solution

Supelco

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1.25030

COD Standard Solution

grade

analytical standard

grade

analytical standard

grade

-

grade

-

agency

traceable to NIST SRM, traceable to PTB

agency

traceable to NIST, traceable to PTB

agency

traceable to NIST

agency

traceable to NIST

Quality Level

100

Quality Level

100

Quality Level

200

Quality Level

200

storage temp.

15-25°C

storage temp.

15-25°C

storage temp.

15-25°C

storage temp.

15-25°C

signalword

Danger

Hazard Classifications

Aquatic Chronic 3 - Asp. Tox. 1 - Flam. Liq. 2 - Repr. 2 - Skin Irrit. 2 - STOT RE 2 Inhalation - STOT SE 3

target_organs

Central nervous system

Storage Class

3 - Flammable liquids

wgk

WGK 3

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Questions

  1. 1) What is the unit of measurement used for these standards (Brix units, Specific Gravity etc)? 2) What is the range that the calibration kit covers? 3) Once reconstituted, how long are these materials good for?

    1 answer

    1. The method of analysis is the refractive index which is measured by an Abbé-type refractometer at a wavelength of 589,3nm at 20°C and 25°C. Stable solutions have a minimum shelf life of 3 years, this kit is supplied ready to use.

      Please see the technical sheets below for more information:
      https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/218/670/specification-108961-refractive-index-standard-kit-2-20140224.pdf

      https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/329/626/technical-data-sheet-refractive-index.pdf

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