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25日星期日
add calcium supplements
Select Add calcium supplements for dairy producers in neutral, except for the calcium supplements how to choose, how to solve the calcium absorption rate and utilization of other problems, the addition of a number of problems: ① many calcium supplements in Under conditions, Lactic acid to suspend, stabilize; ② colloidal calcium preparations will destroy the electrical double layer of protein, the protein flocculation and sedimentation, in particular in high-temperature sterilization conditions, easy to make the emulsion into a "bean curd." Now, you can comfort the neutral milk producers, the "Kin Eagle" brand neutral milk ultrafine calcium supplements can magnessium lactate help you solve these problems! It has a high content of calcium (> 36%), easily digested, milk stably suspended in a neutral good, inexpensive and other significant advantages.
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