Assay(By GC-FID)（Heptane）

≥ 99.0 %

Titrable acid

≤ 0.0003meq/g

Color

≤ 10 APHA

Sulfur compound(S)

≤ 50ppm

Residue after evaporation

≤ 3ppm

Water(by KF coulometry)

≤200ppm

Thiofuran

Passes Test

Optical absorbance at

197nm

≤ 1.0 AU

210nm

≤ 0.40 AU

225nm

≤ 0.10 AU

254nm

≤ 0.01 AU

280nm

≤ 0.01 AU