FDA 21CFR177.2440——聚醚砜树脂FDA测试/PES树脂FDA测试
U.S.FDA CFR 21 177.2440 for聚醚砜树脂
Net chloroform soluble extractives in distilled Water fraction at refluxing temperature for2 hours***可溶萃取回流(去离子水浸取法) |
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Net chloroform soluble extractives in 50% ethanol fraction at refluxing temperature for 2 hours***可溶萃取回流(50%酒精浸取法) |
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Net chloroform soluble extractives in 3% acetic acid fraction at refluxing temperature for 2 hours***可溶萃取回流(3%醋酸浸取法) |
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Net chloroform soluble extractives in N-heptane fraction at refluxing temperature for 2 hours***可溶萃取回流(***浸取法) |
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所需样品:4PCS,每样表面积至少100cm2 |
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测试周期:常规7-9个工作日
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宁波盈通检测技术服务有限公司,我司可提供:美国FDA食品级接触材料测试,U.S. FDA CFR 21 Part 175-189 & FDA CPG 7117.05, 06, 07相关测试。
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