工业萘的详细描述:
技术参数如下:
Technical Parameter as follows:
指标名称
Name Index |
精萘 Refined Napthalene |
工业萘 Industrial Nathalene |
优等品High-class |
一等品Grade One |
合格品Qualified |
优等品
High-class |
一等品
Grade One |
合格品
Qualified |
外观 Appearance |
白色粉状,片状晶体
White powder, flat crystal |
白色略带微红或微黄粉状,片状晶体
White powder with pinkish or light yellow, flat crystal |
白色允许带微红或微黄粉状,片状晶体
White powder allows with pinkish or light yellow, flat crystal |
结晶点 不小于%
Crystallization Point (Not less than) |
79.8 |
79.6 |
79.3 |
78.3 |
78 |
77.5 |
不挥发物 不大于 %
Nonvolatile Matter
(Not more than) |
-- |
0.01 |
0.02 |
0.04 |
0.06 |
0.08 |
灰分 不大于 % Ash Content (Not more than) |
-- |
0.006 |
0.008 |
0.01 |
0.01 |
0.02 |
酸洗比色 不深于
Scouring Colorimetric
(Not deeper than) |
No.2 |
No.4 |
-- |
-- |