Analysis of coffee and coffee products ; determination of ph and acid content ; method for roasted coffee 咖啡和咖啡制品的檢驗. ph值和酸度的測定.咖啡焙燒法
The results show that high - temperature calcinations , alkaline leaching and stirring scrubbing can ' t separate the current collectors and active materials effectively 研究結果表明焙燒法、堿浸法和攪拌擦洗法都不能達到活性物質與集流體的有效分離。