1) chrome tanning auxiliary
铬鞣助剂
1.
Depending on the different characters, it can be used as the chrome tanning auxiliary and pretanning agent, and in combination with vegetable tanning agents.
根据不同的特性作为铬鞣助剂、预鞣剂以及与植物鞣剂结合鞣等用途。
2) high exhaustion chrome tanning auxiliary
高吸收铬鞣助剂
3) chrome tanning assisted
助铬鞣
4) chrome tanning agent
铬鞣剂
1.
The Cr(Ⅵ) content in chrome tanning agents was determined by the method of alkaline digestion,which could effectively restrain the oxidation and reduction between Cr(Ⅲ)and Cr(Ⅵ).
采用碱式消解法测定铬鞣剂中的Cr(Ⅵ)含量。
2.
Using H2SO4 as acidulant,chromic sulfate with high purity was obtained by crystallization,which was applied to leather industry as chrome tanning agent.
将电镀废水中的六价铬还原成Cr(III),用化学沉淀法和絮凝法将其转化为Cr(OH)3沉淀,通过硫酸酸化,结晶为高纯硫酸铬,作为皮革工业的铬鞣剂。
3.
The chrome tanning agent was prepared with some wastewater produced from perfume factories contained high concentration organic acid as reducing agent and masking agent by which part of glucose was replaced.
利用香料厂排放的高浓度有机酸废水部分代替葡萄糖作还原剂和蒙囿剂,制备铬鞣剂,并对制备出的鞣剂的理化性能及鞣制性能,进行综合分析。
5) chrome-free tanning agent
无铬鞣剂
1.
A series of novel chrome-free tanning agents were synthesized with erea,glyoxal,glycine and melamine.
合成了6种新型的同系列的无铬鞣剂。
2.
A series of novel chrome-free tanning agents were synthesized from urea,glyoxal,glycine and melamine.
合成了六种新型的同系列的无铬鞣剂;用红外光谱(FT-IR)分别证实了它们带有的官能团的存在;并采用氨基酸分析来初步研究这些无铬鞣剂的鞣制机理。
6) Cr-Fe tanning agent
铬铁鞣剂
补充资料：铬铝鞣
分子式：
CAS号：
性质：用碱式硫酸铬、钾明矾、硫酸铝等结合鞣制毛皮的方法。按操作可分为先铬后铝，先铝后铬和铬铝同浴鞣。以先铬后铝鞣法效果最好，皮板洁白柔软，延伸性好，耐水和抗温性能亦佳。鞣剂用量视毛皮品种和用途而定。一般工艺参数为Cr2O30.5～3g/L，Al2O31～3g/L，溶液pH值3.7～4.0，鞣制温度32～36℃，时间24～48h。
CAS号：
性质：用碱式硫酸铬、钾明矾、硫酸铝等结合鞣制毛皮的方法。按操作可分为先铬后铝，先铝后铬和铬铝同浴鞣。以先铬后铝鞣法效果最好，皮板洁白柔软，延伸性好，耐水和抗温性能亦佳。鞣剂用量视毛皮品种和用途而定。一般工艺参数为Cr2O30.5～3g/L，Al2O31～3g/L，溶液pH值3.7～4.0，鞣制温度32～36℃，时间24～48h。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条