GB/T 5533-2008 in English
VALIDInspection of grain and oils - Determination of soap content in vegetable oils
- Issued on:2008-11-04
- Implemented on:2009-01-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$78.00
《GB/T 5533-2008粮油检验 植物油脂含皂量的测定》由TC270(全国粮油标准化技术委员会)归口,TC270SC2(全国粮油标准化技术委员会油料及油脂分会)执行,主管部门为国家粮食和物资储备局。
本标准代替GB/T 5533-1985 《植物油脂检验 含皂量测定法》。
本标准规定了植物油脂中含皂量的测定方法。
本标准适用于精炼植物油脂含皂量的测定。
本标准修改采用美国油脂化学协会(AOCS)标准AOCS CC 17-95《油脂中皂含量 滴定法》(英文版)。
本标准与AOCS CC 17-95的主要技术差异:
―――修改了含皂量的定义;
―――为便于滴定将“150mm×40mm具塞试管”改为“250mL具塞锥形瓶”;
―――修改了结果计算公式与表达方法。
本标准与GB/T 5533-1985 相比较主要变化如下:
―――将适用范围修改为“适用于精炼植物油脂”;
―――将样品溶解试剂“石油醚”修改为“丙酮水溶液”;
―――将样品称取量由“10g”修改为“40g”;
―――将“0.02N硫酸溶液”修改为“0.01mol/L 盐酸溶液”;
―――将“0.2%甲基红乙醇溶液”修改为“1%溴酚蓝溶液”;
―――将指示剂加入到丙酮水溶液中,并调节丙酮水到中性;
―――增加了空白试验要求;
―――将双试验允许差“不超过0.02%”修改为“不超过0.01%”
Scope
This standard specifies the method for the determination of soap content in vegetable oils. This standard applies to the determination of the soap content of refined vegetable oils and fats.

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