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■有机涂层,金属和电镀制品要求U.S. FDA CFR 21 175.300.
water extractives 去离子水浸取法
8% alcohol extractives 8%酒精浸取法
n-heptane extractives ***浸取法
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■纸制品要求U.S. FDA CFR 21 176.170
Net chloroform soluble extractives for water fraction ***可溶萃取物（去离子水浸取法）.
Net chloroform soluble extractives for 8 % alcohol fraction***可溶萃取物（8%酒精浸取法）
Net chloroform soluble extractives for 50 % alcohol fraction***可溶萃取物（50%酒精浸取法）
Net chloroform soluble extractives for n-heptane fraction ***可溶萃取物（***浸取法）
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■木材要求U.S. FDA CFR 21 178.3800
Pentachlorophenol and its salt 五***酚***
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■ABS要求U.S. FDA CFR 21 181.32 or 180.22.
in water 去离子水浸取法
in 3% acetic acid 3%醋酸浸取法
in 8% ethanol 8%酒精浸取法
in n-heptane ***浸取法
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■***树脂（Acrylic）要求U.S. FDA CFR 21 177.1010
总提取物（in water,8％,50％alcohol fraction,heptane）去离子水、8%酒精
KMnO4 oxidizable extractive(in water,8％,50％alcohol fraction)
Ultr***iolet-absorbing(in water,8％,50％alcohol fraction)
Ultr***iolet-absorbing(in heptane fraction)
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■食品容器的密封圈，密封衬垫要求，如硅橡胶圈U.S. FDA CFR 21 177.1210
Net chloroform soluble extractives for water fraction ***可溶萃取物（去离子水浸取法）
Net chloroform soluble extractives for 8 % alcohol fraction***可溶萃取物（8%酒精浸取法）
Net chloroform soluble extractives for n-heptane fraction ***可溶萃取物（***浸取法）
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■EVA要求U.S. FDA CFR 21 177.1350
Net CHCI3 soluble fraction in different extractive (in different food simulants)***萃取
Vinylidene fluoride & hexafluropropene
Xanthan gum (coating)
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■三聚***氨树脂(密胺)要求 U.S. FDA CFR 21 177.1460
Net chloroform soluble water extractives ***可溶萃取物（去离子水浸取法）
Net chloroform soluble 8% alcohol extractives ***可溶萃取物（8%酒精浸取法）
Net chloroform soluble n-heptane extractives ***可溶萃取物（***浸取法
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■尼龙塑料要求U.S. FDA CFR 21 177.1500
Specific gr***ity 密度
Melting point 熔点
Solubility / boiling 4.2 N HCI 中的溶解度
Water extractives 去离子水浸取法
95% ethanol extractives 95%酒精浸取法
Ethyl acetate extractives ***乙脂浸取法
Benzene extractives 苯浸取法
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■PP要求 U.S. FDA CFR 21 177.1520
Specific gr***ity 密度
Melting point 熔点
n-hexane extractives正己烷浸取法
Xylene extractives 二浸取法..
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■PE,OP要求 U.S. FDA CFR 21 177.1520
Specific gr***ity 密度
n-hexane extractives正己烷浸取法
Xylene extractives 二浸取法
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■PC要求.U.S. FDA CFR 21 177.1580
Water extractives at refluxing temperature 水回流萃取
50% ethanol extractives at refluxing temperature 50％酒精回流萃取
n-heptane extractives at refluxing temperature ***回流萃取
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■PET要求U.S. FDA CFR 21 177.1630 .
Net chloroform soluble fraction of distilled water ***可溶萃取物（去离子水浸取法）
Net chloroform soluble fraction of 8% ethanol ***可溶萃取物（8%酒精浸取法）
Net chloroform soluble fraction of 95% ethanol ***可溶萃取物（95%酒精浸取法）
Net chloroform soluble fraction of n-heptane ***可溶萃取物（***浸取法）
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■***要求（Styrene block polymer）U.S. FDA CFR 21177.1810
Water extractives 去离子水浸取法
50% ethanol extractives 50％酒精回流萃取
solubility溶解度
molecular weight分子量
glass transition point玻璃化转变温度
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■MMA、MBS要求..U.S.FDA CFR 21 177.1830
Non-volatile residue
KmnO4 oxidized water extractives
KmnO4 oxidized 8% ethanol extractives
UV absorbing water extractives
UV absorbing 8% ethanol extractives
UV absorbing n-heptane extractives
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■脲醛树脂（UF）要求 U.S. FDA CFR 21 177.1900
water extractives 去离子水浸取法
8% alcohol extractives 8%酒精浸取法
n-heptane extractives ***浸取法
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■PVC要求 U.S. FDA CFR 21 175.300
water extractives 去离子水浸取法
n-heptane extractives ***浸取法
8% alcohol extractives 8%酒精浸取法
.附加：U.S. FDA CFR 21 177.1975 Residual vinyl chloride monomer VCM单体残留
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■聚脂树脂（Polyester resin）要求U.S. FDA CFR 21 177.2420
Net chloroform soluble fraction in water ***可溶萃取物（去离子水浸取法）
Net chloroform soluble fraction in 8 % ethanol ***可溶萃取物（8%酒精浸取法）
Net chloroform soluble fraction in 50 % ethanol ***可溶萃取物（50%酒精浸取法）
n-heptane extractives ***浸取法
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■橡胶要求（SBS,TPR,TPE）硅胶等弹性体U.S. FDA CFR 21 177.2600
water extractives 去离子水浸取法
n-hexane extractives正己烷浸取法(只针对脂肪类食物接触)
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■镀银制品要求U.S. FDA CPG 7117.05
extractable lead铅萃取
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■陶瓷、玻璃、搪瓷器皿要求U.S. FDA CPG 7117.06,07
extractable lead and cadmium 溶出铅、镉测试
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■金属要求U.S. FDA CFR 175.300 & CPG 7117.05
water extractives 去离子水浸取法
8% alcohol extractives 8%酒精浸取法
n-heptane extractives ***浸取法
extractable lead 铅萃取
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