Anhydrous/Absolute Alcohol.
Polish Standard PN-91/A-79521
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GRADES
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High Quality
Pharmaceutical
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Standard
Pharmaceutical
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Normal
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| 1. | Alcohol strength at 20°C, % v/v minimum: |
99.9
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99.9
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97.7
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2.
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Water content: |
no standard
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no standard
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no standard
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| 3. | Aldehydes, as acetaldehyde, g/L 100% ethanol, maximum: |
0.005
(5 ppm) |
0.1
(100 ppm) |
0.2
(200 ppm) |
| 4. | Fusel oils, as amyl alcohol, g/L 100% ethanol, maximum: |
0.005
(5 ppm) |
0.1
(100 ppm) |
no standard
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| 5. | Methanol % w/w maximum: |
0.002
(20 ppm) |
0.002
(20 ppm) |
no standard
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| 6. | Total acidity, as acetic acid, g/L 100% ethanol, maximum: |
0.01
(10 ppm) |
0.02
(20 ppm) |
0.03
(30 ppm) |
| 7. | Esters, as ethyl acetate, g/L 100% ethanol, maximum: |
0.05
(50 ppm) |
0.13
(130 ppm) |
no standard
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| 8. | Dry extract, g/L 100% ethanol, maximum: |
0.01
(10 ppm) |
0.01
(10 ppm) |
0.01
(10 ppm) |
| 9. | Copper, mg/kg, maximum: |
no standard
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no standard
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no standard
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| 10. | Chlorine, mg/kg, maximum: |
no standard
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no standard
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no standard
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