食品中总酸测定原始记录
样品名称检验日期方法依据仪器型号检验次数试样质量m(g)试样的稀释倍数F氢氧化钠标准滴定溶液的浓度c(mol/L)滴定试液时消耗氢氧化钠标准滴定溶液的体积V1(ml)空白试验是消耗氢氧化钠标准滴定溶液的体积V2(ml)每千克样品中酸的克数X(g/kg)12样品编号室温c(v1v2)KFX1000m计算公式K-酸的换算系数。各种酸的换算系数分别为:苹果酸,0.067; 乙酸,0.060; 酒石酸,0.075; 柠檬酸,0.064;柠檬酸,0.070(含一分子结晶水);乳酸,0.090;盐酸,0.036;磷酸,0.033 平均值(g/kg)标准值(g/kg)是否符合修约值(g/kg)实测值(g/kg)结论备注检验人: 校核人:
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