• New equipment upgrading

    New equipment upgrading

    Leshan Sanjiang Biotechnology makes full use of Linte’s resources for deep processing and export to earn foreign exchange, becoming a leading enterprise that enriches the people and counties to build a new socialist countryside, and invigorates the local economy for the benefit of the peopl...
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  • Application of proply gallate

    Application of proply gallate

    Propyl gallate (PG), also known as propyl gallate, has a molecular formula of C10H12O5. The relative molecular mass is 212.21. As Chinese  “Hygienic Standards for the Use of Food Additives” (GB2760-2011) stipulates: Propyl gallate can be used in food fats, fried foods, dried fish pro...
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  • Development of high-purity gallic acid and its application in electronic chemistry

    Development of high-purity gallic acid and its application in electronic chemistry

    Electronic chemicals generally refer to special chemicals for the electronics industry. At present, there are tens of thousands of varieties, which are request high quality requirements,low consumption,high requirements for the cleanliness of the production and use environment and upgrat...
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  • Gallic Acid Preparation

    Gallic Acid Preparation

    Acid Hydrolysis The acid hydrolysis method is mainly divided into one-step method and two-step method. The main process flow of two-step preparation of gallic acid raw material → hot water extraction → filter residue → t...
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  • Tannic Acid

    Tannic Acid

    Tannic acid is a specific form of tannin, a type of polyphenol. Its weak acidity (pKa around 6) is due to the numerous phenol groups in the structure. The chemical formula for commercial tannic acid is often given as C76H52O46, which corresponds with decagalloyl glucose,...
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  • Gallic Acid Historical Context and Uses

    Gallic Acid Historical Context and Uses

    Gallic acid is an important component of iron gall ink, the standard European writing and drawing ink from the 12th to 19th centuries, with a history extending to the Roman empire and the Dead Sea Scrolls. Pliny the Elder (23-79 AD) describes the use of gallic acid as a ...
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