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L-Tartaric Acid

L(+) -tartaric acid is one of three chemical isomers of tartaric acid. It is a natural configuration, also known as d-tartaric acid, which widely exists in many plants, such as grapes and tamarind fruits. The unltrafine grade of L+Tartaric acid is wlways used into coment or gypsum mortar, plaster to provide retarding properties.


Chemical Molecular Formula:C4H6O6

Molecular weight:150.09

CAS No.: 87-69-4


Specification

Items

Index

Appearance

Ultrafine white powder

Purity

95.0%   Min.

Arsenic

0.0002% Max.

Heavy metals as Pb.

2 mg/KG Max.

Mesh 63Micro

97% Min.

Loss on drying

0.5% Max.

Residue on ignition

0.1% Max.

Specific rotation[a]D25℃

12°-13°

Anti-caking content

4.5-5.5%

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