CNS 3644-2003 Method of test for edible oils and fats-Determination of relative gravity《食用油脂检验法-比重之测定》.pdf

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1、 1 印行年月 94 年 10 月 本標準非經本局同意不得翻印 中華民國國家標準 CNS 總號 類號 食用油脂檢驗法比重之測定 ICS 67.200.10 3644 N6079 經濟部標準檢驗局印行 公布日期 修訂公布日期 62 年 9 月 1 日 92 年 9 月 9 日 (共 1 頁 )Method of test for edible oils and fats Determination of relative gravity 1. 適用範圍:本標準規定食用油脂中比重之測定法。 2. 方法 2.1 室溫下為液狀之試樣:在 20下以精密比重瓶測定之。 2.2 於室溫為非液狀之試樣:於表

2、1 規定溫度下以比重瓶測定之,並依下列公式計算: 比重(t 1/20) )20t0.000025(B1A1+= A=t1時比重瓶內試樣之重量 (g) B=20時比重瓶內水之重量 (g) 0.000025=普通玻璃膨脹係數 表 1 常溫為非液狀之油脂測定比重之規定溫度 油 脂 種 類 規 定 溫 度 () 椰 子 油 40 棕櫚仁油 40 棕 櫚 油 50 軟質棕油 40 硬質棕油 60 牛 羊 脂 40 豬 脂 40 熬製豬脂 40 相對應國際標準: IUPAC 2.101 Determination of the density 修訂日期:第一次修訂: 68 年 4 月 24 日 第二次修訂: 71 年 1 月 28 日

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