Оптом вазелин CAS8009 03 8 белый крем вазелин сырье белый вазелин

(BP-2012)
TEST METHOD

White or almost white, translucent, soft unctuous mass, slightly fluorescent in
daylight when melted.

Practically insoluble in water.

0.81-0.88

First identification A, B, D
Second identification A, C, D
A. Drop point: Between 35 ℃ and 70 ℃and doesn’t differ by more than 5 ℃ from the value stated on the label.
B. IR: comparable to reference standard.
C. Chemical Test: The solid upper layer is violet-pink or brown.
D. Appearance.

Not more than 0.5 mL of 0.01M NaOH.

130-210

Not more than 0.5

35-70

At no wavelength in the range 260 nm to 420 nm does the absorbance
of the test solution exceed that of the reference solution at 278 nm.

Heat 1 g until fumes appear, No acrid odor is evolved.

Not more than 0.05%

60 - 300