Quantitative analysis in general and especially in determinations of gravimetry floculentos precipitated hydroxides or gelatinous as iron, zirconium, aluminum and cobalt sulfide.

• 用于一般定量分析，特别是用于絮状氢氧化物沉淀物或凝胶状物的比重测定，如铁、锆、铝的氢氧化物和硫化钴等。