L (-) - яблочная кислота

Specifications We can supply quality product at favorable price with prompt delivery. SPECIFICATION: descreiption: White or colorless crystals with sour of fruit,slightly soluble in water,soluble in alcohol,specific gravity 1.635,melting point 290°C.Molecular Formula:C4H6O5Molecular Weight:: 134.09Assay: 99.5%Specific rotation: -1.60---2.60Residue on ignition: 0.05% maxChloride: 0.004%maxSulphate: .0.02% maxState of solution: clarificationReadily oxidizable substance:qualifiedFumaric acid: 1.0% maxMaleic acid: 0.05% maxHeavy metals (as Pb): 20ppm maxArsenic (As): 2ppm maxUsage: 1. In food industry, L-Malic acid, as an acidulant, is especially suitable for fruit jelly and food stuff containing fruit ingredient. It can keep the natural color of juice. Used in health drinks, it can resist fatigue and protect liver, kidney and heart.2. In pharmaceutical industry, L-Malic acid can enhance pharmaceutical stability and improve pharmaceutical absorption. It can be added into composite amino acid injection, directly participating the metabolic cycle of organismk-rebs cycle. It can reduce the metabolic loss of amino acid and can compensatey pohepatia, cure uremia and hypertension, and weaken the damage of anticancer drug to mormoblast. Ti aslo used in skin disinfector, air depurative and deodorizer Henan Kingway Chemicals Co., Ltd. was set up in 2001. We are engaged in the Import & Export of various commodities and technologies. Our company obtained ISO9001:2000 Certificate in 2006. We have established good business relationships with customers from over 30 countries and regions. Our business covers inorganic & organic chemicals, pigments, rare earth products, ceramic & glass raw materials, water treatments, agriculture chemicals, electroplating chemicals, rubber additives, ...