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| Название (рус.): | Аммиак безводный технический. Оценка остатка после выпаривания. Гравиметрический метод |
| Название (англ.): | Anhydrous ammonia for industrial use; Evaluation of residue on evaporation; Gravimetric method |
| Описание (англ.): | Applicable to products having a residue of equal to or more than 0.02 % (m/m). For products obtained in modern plants this evaluation is not usually required. Indicates to the risk in handling with this product. Analysis by evaporation, at ambient temperature, of a test portion and weighing of the residue. Titration of the ammonia contained in the residue withstandard volumetric sulphuric acid solution in the presence of an indicator. Subtraction of this mass from that of the redidue. A typical apparatus for the test is shown in a figure. |
| Дата регистрации: | 01.05.78 |
| Дата введения: | 01.04.78 |
| Дата отмены: | 30.05.02 |
| Код КГС: | Л19 |
| Код ОКСТУ: | 2108;2109 |
| Код ОКС(МКС): | 71.060.99 |
| Код ОКП: | 2108;2109 |
| Нормативные ссылки: | NBN T 03-091-1984, EQV*NF T20-342-1986, EQV |
| Ключевые слова: | AMMONIA AMMONIA(GAS) ANALYSIS CHEMICAL ANALYSIS CHEMICAL ANALYSIS AND TESTING CHEMICAL COMPOUNDS CHEMICAL RESIDUES CONNECTIONS DETERMINATION OF CONTENT EVAPORATION ANALYSIS GRAVIMETRIC ANALYSIS ANALYSIS CHEMICAL ANALYSIS AND TESTIN |
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