TEST ITEMS

SPECIFICATION

1

Assay (GC) , ω / %

≥99.9

2

Density (20℃) , ρ / (g/mL)

0.784~0.786

3

Residue on evaporation，ω / %

≤0.0005

4

Water (H2O)，ω / %

≤0.1

5

Titrable Acid(H+) / (mmol/g)

≤0.0003

5

UV Absorbance

(1cm cell vs. water)

205 nm

≤1.00

220 nm

≤0.30

230 nm

≤0.15

245 nm

≤0.05

260 nm

≤0.03

300 nm

≤0.01