1)  Dark Septate Endophyte(DSE)
Dark Septate Endophyte(DSE)
2)  Dark Ages
Dark Ages
1.
Progress in the Study on “Dark Ages” Cold Event;
“Dark Ages”冷事件研究进展
3)  dark matter
dark matter
1.
The problem of dark matter in present astrophysics has been disputed for a long time and has not been solved yet.
<正> The problem of dark matter in present astrophysics has been disputed for a long time and has not been solved yet。
4)  dark line
黑线(dark line)
5)  C.I.Sulphur Blue 5(53235)
Thional Dark Blue RL(山道士)
6)  Sulphur Dark Blue 3R
Thional Dark Blue RL(山道士)
参考词条
补充资料:Sulphur Dark Brown GN
分子式:暂无
分子量:暂无
CAS号:暂无

性质:褐棕色粉状。不溶于水,溶于硫化钠溶液。易吸嘲。在盐酸中成黑棕色沉淀;在氢氧化钠溶液中呈蓝光绿色。

制备方法:由间、对甲酚与硫磺、固体烧碱、硫化钠、硫酸铜及工来盐在回转炉中加热,由170℃开始,保温升温,至约330℃,共约40h,然后降温,粉碎及标准化处理而制得产品。原料消耗(kg/t)甲酚(间、对位) 210硫磺(98%) 425硫化钠(63.5%) 215固体烧碱(100%) 75硫酸铜 25工业盐 125元明粉 1000

用途:适用于棉、麻、粘纤及其织物的染色。也可用于维纶染色,其得色较未丝光棉略深,呈深棕色,匀染性较差。有进也用于皮革染色。用于棉纱拼染深咖啡色,操作易掌握,染后用过硼酸钠氧化,效果较好。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。