Glucose sour lactone [ 90-80-2 ]

Specifications:
GB7657-2005, FCC (IV), USP29, E575

Project specifications results
Characters white crystals or powder, almost odourless through
100.5% GDL 99.0 ~ 99.54 %
Melting point ℃ ~ 155 150 ℃ 153 ℃
Water more than 0.5% < 0.3 percent
Reducing substances (as converted) acuities 0.5% < 0.5%
10ppm < 1ppm arsenic acuities
Heavy metal 20ppm < 20ppm acuities
Lead 10ppm < 10ppm acuities