test item |
specification |
results |
|
purity |
≥99% |
99.47% |
|
density(20°c) |
0.917-0.921 |
0.92 |
|
apha |
≤10 |
<10 |
|
nonvolatile matter |
≤0.02% |
<0.02% |
|
free acid |
≤0.15% |
<0.15% |
|
ph |
4.6-4.8 |
4.7 |
|
moisture |
≤0.3% |
0.02% |
|
conclusion |
qualified |
test item |
specification |
results |
|
purity |
≥99% |
99.47% |
|
density(20°c) |
0.917-0.921 |
0.92 |
|
apha |
≤10 |
<10 |
|
nonvolatile matter |
≤0.02% |
<0.02% |
|
free acid |
≤0.15% |
<0.15% |
|
ph |
4.6-4.8 |
4.7 |
|
moisture |
≤0.3% |
0.02% |
|
conclusion |
qualified |
ethyl formate is used as the solvent of nitryl fibrin and cellulose acetate, the intermediate of urea pyridine, cytosine, thymine in medicine, the germicide of tobacco, grain, broomcorn, also in food, tobacco, essence and so on.
test item |
specification |
results |
|
purity |
≥99% |
99.47% |
|
density(20°c) |
0.917-0.921 |
0.92 |
|
apha |
≤10 |
<10 |
|
nonvolatile matter |
≤0.02% |
<0.02% |
|
free acid |
≤0.15% |
<0.15% |
|
ph |
4.6-4.8 |
4.7 |
|
moisture |
≤0.3% |
0.02% |
|
conclusion |
qualified |