Factory selling L(+)-tartaric acid to New Delhi Factories

Factory selling L(+)-tartaric acid to New Delhi Factories

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CAS NO.87-69-4 DESCRIPTION: Colorless or translucent crystals, or a white, fine granular, crystalline powder. It is odorless, has an acid taste, and is stable in air. Chemical Name:L-2,3-dihydroxy butanedioic acid Molecular Formula:C4H6O6 Structural Formula: Molecular Weight:150.09 Assay(after drying), as:+12 ~ +13 Arsenic :2mg/kg Max Lead [Ph]:2mg/kg Max Residue on Ignition:0.05% Max Residue on Drying:0.5% Max Oxalate test:Qualified MAIN FUNCTION AND PURPOSE: L(+)-Tartaric acid is widely us...


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As a way to present you with ease and enlarge our enterprise, we also have inspectors in QC Workforce and assure you our greatest support and solution for DL-Potassium Sodium Tartrate Importer , Tartaric Acid Dealer , L-Potassium Hydrogen Tartrate Pirce , We follow furnishing integration remedies for purchasers and hope to construct long-term, secure, honest and mutual effective associations with buyers. We sincerely look forward to your stop by.
Factory selling L(+)-tartaric acid to New Delhi Factories Detail:

CAS NO.87-69-4

DESCRIPTION:

Colorless or translucent crystals, or a white, fine granular, crystalline powder. It is odorless, has an acid taste, and is stable in air.

Chemical Name:L-2,3-dihydroxy butanedioic acid

Molecular Formula:C4H6O6

Structural Formula:

Molecular Weight:150.09

Assay(after drying), as:+12 ~ +13

Arsenic :2mg/kg Max

Lead [Ph]:2mg/kg Max

Residue on Ignition:0.05% Max

Residue on Drying:0.5% Max

Oxalate test:Qualified

MAIN FUNCTION AND PURPOSE:

L(+)-Tartaric acid is widely used as acidulant in beverage,and other foods, such as soft drinks, wine, candy, bread and some colloidal sweetmeats. With its optical activity, L(+)-Tartaric acid is used as chemical resolving agent to resolve DL-amino-butanol, an intermediate for antitubercular drug. And it is used as chiral pool to synthesize tartrate derivatives. With its acidity, it is used as catalyst in the resin finishing of polyester fabric or pH value regulator in oryzanol production. With its complexation, L(+)-Tartaric acid is used in electroplating, sulfur removal and acid pickling. It is also used as complexing agent, screening agent or chelating agent in chemical analysis and pharmaceutical inspection, or as resist agent in dyeing. With its reduction, it is used as reductive agent in manufacturing mirror chemically or imaging agent in photography. It can also complex with metal ion and can be used as cleaning agent or polishing agent of metal surface.

 

PACKING:25KG net in Kratf/Plastic Bag lined with PE bag, 20MT/20FCL (on pallet).

STORAGE:Kept airtightly in a light-proof, dry and cool place.


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By using a full scientific excellent administration method, great quality and fantastic religion, we get good reputation and occupied this discipline for Factory selling L(+)-tartaric acid to New Delhi Factories, The product will supply to all over the world, such as: Oslo, Greenland, Washington, To work with an excellent products manufacturer, our company is your best choice. Warmly welcome you and opening up the boundaries of communication. We are the ideal partner of your business development and look forward to your sincere cooperation.


  • We use Phenolphthalein, a tracer that will turn pink when pH more than 7 and invisible when pH less than 7

    At first, there is water so pH = 7, invisible
    Then we add Ca(s), which turns the next reaction:
    Ca(s) + H2O — Ca(OH) + H2

    Since there are lower concentration of H+ expect basic solution
    pH is more than 7 so it is pink
    Then we add vinegar

    CH3COOH + Ca(OH)2 —- Ca + and CH3COO- and H2O
    this is neutralization, pH = 7 but this is hard to get, there is always extra acetic acid (from vinegar) so…

    There is excess of CH3COOH
    CH3COOH == CH3COO- and H+

    High concentration of H+, this is acidic
    pH is less than 7 so it is now invisible

    Then we add NaOH:
    NaOH + CH3COOH = Na+ and CH3COO- and H2O

    Since NaOH is in excess:
    NaOH is basic
    pH is more than 7, expec pink color

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    5 Stars By Claire 2016-6-18 15:41
    As an international trading company, we have numerous partners, but about your company, I just want to say, you are really good, wide range, good quality, reasonable prices, warm and thoughtful service, advanced technology and equipment and workers have professional training, feedback and product update is timely, in short, this is a very pleasant cooperation, and we look forward to the next cooperation!
    5 Stars By Diana 2015-10-12 14:03

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