TEST ITEMS

SPECIFICATION

1

Assay (GC) , ω / %

≥99.8

2

Density(20℃) , ρ / (g/mL)

1.320~1.330

3

Residue on evaporation,ω / %

≤0.0005

4

Water (H2O)，ω / %

≤0.02

5

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

≤0.0003

6

UV  Absorbance

(1cm cell vs. water)

235 nm

≤1.00

240 nm

≤0.20

250 nm

≤0.05

260 nm

≤0.02

340 nm

≤0.01