Pure lactic acid is a colorless liquid, is a colorless to pale yellow liquid. Odorless, hygroscopic. The relative density of 1.2060 (25/4 ℃). Melting point 18 ℃. Boiling point 122 ℃ (2kPa). Refractive index nD (20 ℃) ??1.4392. With water, ethanol, glycerin, insoluble in chloroform, carbon disulfide and petroleum ether. Heating under normal pressure, concentrated to 50%, part of the anhydride into milk, thus products often contain 10% -15% of the milk anhydride.
2013年8月27日星期二
unique circular economy
Unique mode of circular economy has created enormous economic and social benefits , and by the high degree of community recognition and affirmation . By six ministries identified as the first national circular economy pilot units . In 2006 , the State Environmental Sodium lactate Administration identified as
cleaner production demonstration units. In 2008, China Brewing Industry Association issued a document called on all sectors to learn the development of circular economy. In 2010 the Third World Environmental Conference " World Low Carbon Environment ( China ) to promote sustainable development in China , building the future competitiveness" in recognition of the ceremony ,
with the implementation of circular economy in recent years, in the green , low-carbon , environmentally friendly achievements the Organizing potassium lactate awarded the " World Low Carbon environment ( China ) impetus hundred enterprises". The only one honored liquor business , is the only one so honored food processing enterprises.
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