The metal ion and the anion of the mineral acid form an insoluble salt.
金属离子和无机酸的阴离子生成一种难溶的盐。
Description: White powder, insoluble in water, soluble in mineral acids.
说明：白色粉末，不溶于水，可溶于无机酸。
DESCRIPTION: Dark brown powder, insoluble in water and soluble in mineral acids.
形状颜色特征：黑褐色粉末，不溶于水，易溶于无机酸。
The metal ion and the an ion of the mineral acid form an insoluble salt.
金属离子和无机酸的阴离子生成一种难溶的盐。
Industrial application: soluble in water, aqueous alkali, ammonia and cellulose solution, colorless and insoluble in organic solution, mineral oil amorphous substance.
工业用途：溶于水、碱水溶液、氨和纤维素溶液，不溶于有机溶液、矿物油的无色无定型物。
Description: Pale yellow powder, insoluble in water and difficult to soluble in mineral acids.
说明：淡黄色粉末，不溶于水，难溶于无机酸。
Description: White powder, insoluble in water, insoluble in mineral acids.
说明：白色粉末，不溶于水，不溶于酸。
Description: White powder, insoluble in water, insoluble in mineral acids.
说明：白色粉末，不溶于水，不溶于酸。
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