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1.06664

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Sodium tartrate dihydrate

Certified Reference Material for Karl Fischer Titration 15.66% Aquastar®

Synonym(s):

Sodium tartrate dihydrate, di-Sodium tartrate dihydrate, Tartaric acid sodium salt dihydrate

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About This Item

Empirical Formula (Hill Notation):
C4H4Na2O6 · 2H2O
CAS Number:
Molecular Weight:
230.08
MDL number:
UNSPSC Code:
41115601
EC Index Number:
212-773-3
NACRES:
NA.24

Pricing and availability is not currently available.

grade

certified reference material

Quality Level

Agency

ISO 17025, 17034

product line

Aquastar®

form

solid

technique(s)

Karl-Fischer titration: suitable
titration: suitable

pH

8 (25 °C, 50 g/L in H2O)

solubility

290 g/L

density

1.82 g/cm3

bulk density

460 kg/m3

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This Item
PHR1409161490971995
agency

ISO 17025, 17034

agency

traceable to USP 1614909

agency

-

agency

-

format

neat

format

neat

format

neat

format

-

product line

Aquastar®

product line

-

product line

-

product line

-

form

solid

form

-

form

-

form

solid

technique(s)

Karl-Fischer titration: suitable

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

technique(s)

-

technique(s)

-

General description

Sodium tartrate dihydrate is a solid standard with a water content of 15.66% determined by the technique of loss on drying at 150°C. Its preparation from high-purity reagents and analysis is completed in an ISO/IEC 17025 and ISO 17034 accredited calibration laboratory.

Please visit ISO certificates and Site Quality Self-Assessments to access the current certificates of accreditation.

Download your certificate at http://www.sigma-aldrich.com to view certified values, including uncertainty and expiry date.

Application

The sodium tartrate dihydrate CRM is used for the standardization of volumetric Karl Fischer titrants according to European Pharmacopeia (Ph.Eur.) chapter 2.5.12 “Water Semi-Micro Determination”, United States Pharmacopeia <921> “Water Determination” and ISO 760.

Features and Benefits

  • Available in a secure plastic bottle
  • Subjected to stability and homogeneity studies following ISO 17034 and ISO Guide 35
  • High-quality offering accurate and reliable results
  • Accompanied with a comprehensive and batch-specific certificate of analysis (CoA) for an effective quality management system
  • Measured and qualified in an ISO/IEC 17025 and ISO 17034 accredited laboratory

Packaging

SKU-pack size numbers ending with a "3" are SmartChemicals with an RFID tag on the label for seamless data transfer to the instrument, e.g. xxxxxx1003 or xxxxxxx 4003. More information on www.sigmaaldrich.com/SmartChemicals.

Linkage

Replaces: 1.06664.0100

Legal Information

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

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


  • 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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