Appearance: White or pale yellow powder.

性状：白色或淡黄色粉末。

Light yellow powder, 60mesh, with characteristic odor.

淡黄色粉末，60目，有特征性气味。

A yellow powder, H2WO 4, used in textiles and plastics.

一种黄色粉末，H2WO 4，用于纺织和塑料工业中。

Shape: light yellow powder, soluble in acid, insoluble in water.

形状：淡黄色粉末，可溶于酸，不溶于水。

Description: Pale yellow powder, clean, insoluble in water, soluble in acids.

说明：淡黄色粉末，洁净，不溶于水，能溶于酸。