China Cheap price L(+)-tartaric acid to Brazil Factory

China Cheap price L(+)-tartaric acid to Brazil Factory

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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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China Cheap price L(+)-tartaric acid to Brazil Factory 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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    المواد المضافة للأغذية هي أي مادة تضاف إلى الغذاء وتعمل على تغيير أي من صفاته، أوهي جميع المواد التي ليست من المكونات الطبيعية للأغذية وتضاف إليها قصداً في أي مرحلة من إنتاجها إلى استهلاكها، وتضاف بغرض تحسين الحفظ أو الصفات الحسية أو الطبيعية أو الحد من تعريض المستهلك للتسمم وغيره من الأضرار الصحية نتيجة الحفظ غير الجيد للغذاء.. إلخ
    فهي مواد تضاف إلى الاطعمة لكى تحافظ على نكهتها، أو لتحسن مذاقها أو مظهرها، وبعض هذه الاضافات تستخدم منذ أزمنة بعيدة لحفظ الطعام مثل التخليل (باستخدام الخل) والتمليح أو عن طريق استخدام مواد مثل ثاني أكسيد الكبريت.
    وتعتمد حالياً نظام الترقيم الدولي INS حسب ما قررته هيئة الدستور الغذائي (الدولي) فنلاحظ أن المضافات الغذائية يشار إليها بالأرقام المرمزة التي توجد على غلاف الأغذية والأدوية، وتدل على مواد مضافة (ملونات، مطعمات، مثبتات،..) فنجد أن المواد المضافة للأغذية يرمز لها أحياناً بـ (E) وبجانبه رقم (مثلاً E100)
    Food additives are substances added to food to preserve flavor or enhance its taste and appearance. Some additives have been used for centuries; for example, preserving food by pickling (with vinegar), salting, as with bacon, preserving sweets or using sulfur dioxide as with wines. With the advent of processed foods in the second half of the twentieth century, many more additives have been introduced, of both natural and artificial origin.
    Les additifs alimentaires sont des produits ajoutés aux denrées alimentaires commerciales (notamment aliments industriels) destinés à l’alimentation humaine et/ou animale. Pour les animaux, on parle en Europe d’« additifs zootechniques », qui comprennent notamment le groupe fonctionnel des « améliorateurs de digestibilité ».
    Il peut s’agir de produits naturels, ou de produits synthétisés (« identique nature » et artificielle). Il ne faut pas les confondre avec les auxiliaires technologiques1.
    Concernant l’alimentation humaine, ils doivent dans la plupart des pays être portés sur l’emballage, dans la liste notée « ingrédients ». Les additifs choisis par les industriels doivent avoir été préalablement autorisés (et figurer à ce titre dans une liste dite « positive » ; liste des additifs alimentaires). Tout additif non porté dans cette liste est de fait illicite. Les additifs sur les étiquetages sont le plus souvent écrits en toutes lettres. Dans le cas où ils portent un code Exxx, ils doivent être explicités.

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