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217255 Sigma-Aldrich

Potassium sodium tartrate tetrahydrate

ACS reagent, 99%

Synonym: L(+)-Tartaric acid potassium Sodium salt, Rochelle salt, Seignette salt

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Properties

Related Categories Asymmetric Synthesis, Biochemicals and Reagents, Carboxylic Acid Salts, Chelators, Chemical Synthesis,
grade   ACS reagent
InChI Key   VZOPRCCTKLAGPN-ZFJVMAEJSA-L
assay   99%
  99.0-102.0% (ACS specification)
impurities   ≤0.005% insolubles
pH range   6.0 - 8.5
anion traces   chloride (Cl-): ≤0.001%
  phosphate (PO43-): ≤0.002%
  sulfate (SO42-): ≤0.005%
cation traces   Ca: ≤0.005%
  Fe: ≤0.001%
  NH4+: ≤0.002%
  heavy metals (as Pb): ≤5 ppm

Description

Packaging

100, 500 g in poly bottle

12 kg in fiber drum

2.5 kg in poly bottle

Application

Potassium sodium tartrate tetrahydrate has been used in the preparation of Lowry reagent for the determination of microsomal protein concentration in rat hepatic microsomes by Lowry method. It may be used as a constituent to prepare DNS (3,5- dinitrosalicylic acid) reagent and Fehling′s solution B, which are used in the determination of reducing sugar.

General description

Potassium sodium tartrate tetrahydrate is a ferroelectric crystal with a high piezoelectric effect and electromechanical coupling coefficient.

Price and Availability


Laboratory Gloves
Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3

Documents

Certificate of Analysis

Certificate of Origin

Protocols & Articles
Peer-Reviewed Papers
15

References

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