factory Outlets for L(+)-tartaric acid to Burundi Importers

factory Outlets for L(+)-tartaric acid to Burundi Importers

Short Description:

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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We're experienced manufacturer. Wining the majority in the crucial certifications of its market for Tartaric Acid@Carton.Se , L-Potassium Sodium Tartrate Distributer , High Quality Tartaric Acid Salts , Our company has been devoting that "customer first" and committed to helping customers expand their business, so that they become the Big Boss !
factory Outlets for L(+)-tartaric acid to Burundi Importers 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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Fast and great quotations, informed advisers to help you choose the correct solution that suits all your requirements, a short creation time, responsible top quality manage and distinct providers for paying and shipping affairs for factory Outlets for L(+)-tartaric acid to Burundi Importers, The product will supply to all over the world, such as: Bulgaria, Accra, Netherlands, Our company regards "reasonable prices, efficient production time and good after-sales service" as our tenet. We hope to cooperate with more customers for mutual development and benefits. We welcome potential buyers to contact us.


  • 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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    A nice supplier in this industry, after a detail and careful discussion, we reached a consensus agreement. Hope that we cooperate smoothly.


    5 Stars By Stephen 2016-7-12 13:33
    We feel easy to cooperate with this company, the supplier is very responsible, thanks.There will be more in-depth cooperation.























    5 Stars By Cindy 2016-3-16 11:41

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