chromic (potassium) alum；potassium chromic sulfate 通常指铬钾钒。 此外，还有铬钠矾（chromic sodium alum）NaCr（SO4）2·12H2O和铬铵矾（chromic ammonium alum）NH4Cr (SO4)2·12H2O等。
蛋白胨及其衍生物；其他税目未列名的蛋白质及其洐生物；皮粉，不论是否加入铬矾。
Peptones and their derivatives; other protein substances and their derivatives, not else - where specified or included; hide powder, whether or not chromed.
该工艺采用焙烧法将污泥中的金属组分同类分离，并结合黄钠铁矾沉淀法去除杂质铁等工艺对铜、镍、铬进行了回收利用。
Different metals are separated from the electroplating sludge by roasting and copper, nickel and chromium were recovered with suitable methods such as removing iron by sodium jarosite precipitation.
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