无水乙醇
-
| 项目 |
单位 |
高级电子级 |
试剂级 |
| UP级规格 |
EL级规格 |
AR级规格 |
| 含量 |
% |
≥99.8 |
≥99.8 |
≥99.7 |
| 色度 |
黑曾 |
≤10 |
≤10 |
----- |
| 蒸发残渣 |
ppm |
----- |
≤5 |
≤10 |
| 颗粒(≥0.5um) |
个/ml |
≤25 |
----- |
----- |
| 颗粒(≥0.3um) |
个/ml |
≤150 |
----- |
----- |
| 颗粒(≥0.2um) |
个/ml |
≤300 |
----- |
----- |
| 与水混合试验 |
----- |
合格 |
合格 |
合格 |
| 密度(20℃) |
g/mL |
0.789~0.791 |
0.789~0.791 |
0.789~0.791 |
| 酸度(以H+计) |
mmol/100g |
≤0.02 |
≤0.02 |
≤0.04 |
| 碱度(以OH-计) |
mmol/100g |
≤0.005 |
≤0.005 |
≤0.01 |
| 还原高锰酸钾物质 |
ppm |
≤2.5 |
≤2.5 |
≤2.5 |
| 易炭化物质 |
----- |
合格 |
合格 |
合格 |
| 羰基化合物(以CO计) |
ppm |
≤30 |
≤30 |
≤30 |
| 甲醇(CH3OH)Methanol |
% |
≤0.02 |
≤0.02 |
≤0.05 |
| 异丙醇(CH3)2CHOH |
% |
≤0.003 |
≤0.003 |
≤0.01 |
| 水份(H2O) |
% |
≤0.2 |
≤0.2 |
≤0.3 |
| 氯化物(Cl) |
ppm |
≤0.5 |
≤1 |
----- |
| 硫酸盐(SO4) |
ppm |
≤1 |
≤1 |
----- |
| 铝(Al) |
ppb |
≤10 |
----- |
----- |
| 砷(As) |
ppb |
≤10 |
≤50 |
----- |
| 钡(Ba) |
ppb |
≤10 |
≤50 |
----- |
| 硼(B) |
ppb |
≤10 |
----- |
----- |
| 镉(Cd) |
ppb |
≤10 |
≤50 |
----- |
| 钙(Ca) |
ppb |
≤10 |
----- |
----- |
| 铬(Cr) |
ppb |
≤10 |
----- |
----- |
| 钴(Co) |
ppb |
≤20 |
≤100 |
----- |
| 铜(Cu) |
ppb |
≤10 |
≤10 |
----- |
| 镓(Ga) |
ppb |
≤10 |
----- |
----- |
| 锗(Ge) |
ppb |
≤10 |
----- |
----- |
| 金(Au) |
ppb |
≤20 |
----- |
----- |
| 铁(Fe) |
ppb |
≤10 |
≤100 |
----- |
| 铅(Pb) |
ppb |
≤10 |
≤10 |
----- |
| 锂(Li) |
ppb |
≤10 |
----- |
----- |
| 镁(Mg) |
ppb |
≤10 |
----- |
----- |
| 锰(Mn) |
ppb |
≤10 |
≤10 |
----- |
| 钼(Mo) |
ppb |
≤10 |
----- |
----- |
| 镍(Ni) |
ppb |
≤10 |
≤10 |
----- |
| 铌(Nb) |
ppb |
≤10 |
----- |
----- |
| 钾(K) |
ppb |
≤50 |
----- |
----- |
| 银(Ag) |
ppb |
≤10 |
----- |
----- |
| 钠(Na) |
ppb |
≤50 |
≤500 |
----- |
| 锶(Sr) |
ppb |
≤10 |
----- |
----- |
| 铊(Tl) |
ppb |
≤10 |
----- |
----- |
| 钛(Ti) |
ppb |
≤10 |
----- |
----- |
| 锡(Sn) |
ppb |
≤10 |
----- |
----- |
| 钒(V) |
ppb |
≤10 |
----- |
----- |
| 锌(Zn) |
ppb |
≤50 |
≤10 |
----- |
