■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 正庚烷浸取法
■纸制品要求 U.S. FDA CFR 21 176.170
Net chloroform soluble extractives for water fraction 氯仿可溶萃取物(去离子水浸取法)
.Net chloroform soluble extractives for 8 % alcohol fraction 氯仿可溶萃取物(8%酒精浸取法)
Net chloroform soluble extractives for 50 % alcohol fraction 氯仿可溶萃取物(50%酒精浸取法)
Net chloroform soluble extractives for n-heptane fraction 氯仿可溶萃取物(正庚烷浸取法)
■木材要求U.S. FDA CFR 21 178.3800
Pentachlorophenol and its salt 五氯苯酚PCP
■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 正庚烷浸取法
■丙烯酸树脂(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)
Ultraviolet-absorbing(in water,8%,50%alcohol fraction)
Ultraviolet-absorbing(in heptane fraction)
■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 氯仿可溶萃取物(去离子水浸取法)
Net chloroform soluble extractives for 8 % alcohol fraction 氯仿可溶萃取物(8%酒精浸取法)
Net chloroform soluble extractives for n-heptane fraction 氯仿可溶萃取物(正庚烷浸取法)
■EVA要求 U.S. FDA CFR 21 177.1350
Net CHCI3 soluble fraction in different extractive (in different food simulants) 氯仿萃取
Vinylidene fluoride & hexafluropropene
Xanthan gum (coating)
■三聚氰氨树脂(密胺)要求 U.S. FDA CFR 21 177.1460
Net chloroform soluble water extractives 氯仿可溶萃取物(去离子水浸取法)
Net chloroform soluble 8% alcohol extractives 氯仿可溶萃取物(8%酒精浸取法)
Net chloroform soluble n-heptane extractives 氯仿可溶萃取物(正庚烷浸取法)
■尼龙塑料要求 U.S. FDA CFR 21 177.1500
Specific gravity 密度
Melting point 熔点
Solubility / boiling 4.2 N HCI 盐酸中的溶解度
Water extractives 去离子水浸取法95%
ethanol extractives 95%酒精浸取法
Ethyl acetate extractives 乙酸乙脂浸取法
Benzene extractives 苯浸取法
■PP要求 U.S. FDA CFR 21 177.1520
Specific gravity 密度
Melting point 熔点
n-hexane extractives 正己烷浸取法
Xylene extractives 二甲苯浸取法 ..
■ PE,OP要求 U.S. FDA CFR 21 177.1520
Specific gravity 密度
n-hexane extractives 正己烷浸取法
Xylene extractives 二甲苯浸取法
■ 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 正庚烷回流萃取
■PET要求 U.S. FDA CFR 21 177.1630
Net chloroform soluble fraction of distilled water 氯仿可溶萃取物(去离子水浸取法)
Net chloroform soluble fraction of 8% ethanol 氯仿可溶萃取物(8%酒精浸取法)
Net chloroform soluble fraction of 95% ethanol 氯仿可溶萃取物(95%酒精浸取法)
Net chloroform soluble fraction of n-heptane 氯仿可溶萃取物(正庚烷浸取法)
■ PS 要求 U.S. FDA CFR 21 177.1640
Residual styrene monomer 苯乙烯单体残留
■聚枫树脂(Polysulfone resin)要求 U.S. FDA CFR 21 177.1655
Water extractives 去离子水浸取法
3 % acetic acid extractives 3%醋酸浸取法
50 % alcohol extractives 50%酒精浸取法
n-heptane extractive 正庚烷浸取法
■聚亚氨树脂(PU)要求 U.S. FDA CFR 21 177.1680
Adhesive resistance test 耐磨测试
water extractives 去离子水浸取法
8% ethanol extractives 8%酒精浸取法
■苯乙烯要求(Styrene block polymer) U.S. FDA CFR 21177
.1810Water 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
■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
■脲醛树脂(UF)要求 U.S. FDA CFR 21 177
.1900water extractives 去离子水浸取法8%
alcohol extractives 8%酒精浸取法
n-heptane extractives 正庚烷浸取法
■PVC要求 U.S. FDA CFR 21 175.300
water extractives 去离子水浸取法
n-heptane extractives 正庚烷浸取法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
■聚脂树脂(Polyester resin)要求 U.S. FDA CFR 21 177.2420
Net chloroform soluble fraction in water 氯仿可溶萃取物(去离子水浸取法)
Net chloroform soluble fraction in 8 % ethanol 氯仿可溶萃取物(8%酒精浸取法)
Net chloroform soluble fraction in 50 % ethanol 氯仿可溶萃取物(50%酒精浸取法)
n-heptane extractives 正庚烷浸取法
■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)
■镀银制品要求 U.S. FDA CPG 7117.05
extractable lead 铅萃取
■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
■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 正庚烷浸取法
extractable lead 铅萃取