而新一代草酸二甲酯加氢催化剂采用了无铬配方，性能指标也优于一代技术。
In addition a chromium-free formula is applied to prepare new generation dimethyl oxalate hydrogenation catalyst, showing better performance than the former generation catalyst.
本公司主要以经营钛白粉、立德粉、氧化锌、氧化铁等化工产品为主，还销售经营草酸、冰醋酸，氧化铬绿等化工产品。
Our company mainly deals in chemical products like titanium, lithopone, zinc oxide, iron oxide. We also supply oxalic acid, acetic acid, chromium oxide green and so on.
对用草酸泥渣制备铬酸铅的工艺原理进行了分析。
Principle of preparation lead chromate from oxalic acid sludge was introduced.
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