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| Название (рус.): | Руды марганцевые и хромовые. Экспериментальные методы оценки изменения качества и методов проверки точности отбора проб |
| Название (англ.): | Manganese and chromium ores; Experimental methods for evaluation of quality variation and methods for checking the precision of sampling |
| Описание (англ.): | Specifies experimental methods for the evaluation of quality variation of manganese and chromium ores, whether natural or processed, for the purpose of defining sampling procedure by the mass-basis systematic method and the two-stage method as specified in the relevant International Standards. It also specifies methods for checking the precision of sampling by the mass-basis systematic method and the two-stage method. |
| Дата регистрации: | 01.01.87 |
| Дата введения: | 01.11.86 |
| Код КГС: | А39 |
| Код ОКСТУ: | 0340;0330;0309 |
| Код ОКС(МКС): | 73.060.20 |
| Код ОКП: | 0340;0330;0309 |
| Ключевые слова: | CHROMATE MINERALS CHROMATES CHROMIUM ORES MANGANESE ORES MINERALS MINERALS AND ORES ORES QUALITY AUDIT QUALITY AUDITING RULES OF CALCULATION SAMPLING SAMPLING METHODS STATISTICAL QUALITY CONTROL STATISTICAL QUALIT |
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