久9久9热综合,国产v综合v亚洲欧美久久,久久婷婷一区二区三区,美国电影《睫毛膏》,国产精品第一页在线,日日操夜夜摸,九九av在线

在線客服
掃一掃加關(guān)注 掃一掃加關(guān)注
24-Hour Hotline
13319106789 15389404674 15091427713 13399202550
Sheep placental hormone
發(fā)布時間:2021/4/14      點擊數(shù):4046

The molecular weight of the peptide is less than 500 Dalton

Physical and chemical properties

Water solubility: the solubility is more than 90%, the water solution is clear and transparent, pH 4.5 ± 0.3, there is a trace of white particle precipitation, which is insoluble peptide substance.

Stability: it is stable in acid, alkali and high temperature, and can withstand heat resistance test at 100 ℃ for 30min or 121 ℃ for 20min in the range of ph2-10.

For more details about this product, please call our customer service!