做食品FDA注册需要的流程

　　fda 21cfr,食品接触材料检测标准,hk

　　a. 21cfr 177.1040 acrylonitrile/styrene copoly-mer(as)丙烯晴-苯乙烯共聚物

　　i) maximum residual acrylonitrile monomer content

　　ii) nitrogen content of the copolymer

　　iii) total non-volatile extractives in distilled water

　　iv) total non-volatile extractives in 3% acetic acid

　　v) the extracted copolymer in distilled water

　　vi) the extracted copolymer in 3% acetic acid

　　b. 21cfr 177.1020 acrylonitrile/butadiene/styrene co-polymer( abs)

　　丙烯酸-丁二烯-苯乙烯树脂共聚物

　　i) nitrogen content of the copolymer

　　ii) residual acrylonitrile monomer content

　　iii) total non-volatile extractives in distilled water

　　iv) total non-volatile extractives in 3%acetic acid

　　v) total non-nvolatile extractives in n-heptane

　　vi) acrylonitrile monomer migration in distilled water

　　vii) acrylonitrile monomer migration in 3%acetic acid

　　c. 177.1460 melamine-formaldehyde resins in molded articles (mf) 密胺/甲醛树脂

　　i) net chloroform-soluble extractives in distilled water

　　ii) net chloroform-soluble extractives in n-heptane

　　iii) net chloroform-soluble extractives in 8% alcohol

　　d. 177.1500 nylon resins 尼龙树脂

　　i) specific gravity

　　ii) melting point

　　iii) solubility in boiling 4.2nhcl

　　iv) maxium extractable fraction in water

　　v) maxium extractable fraction in 95% alcohol

　　vi) maxium extractable fraction in ethyl acetate

　　viii) maxium extractable fraction in benzene

　　e. polyethylene resins (pe) , 21 cfr 177.1520 聚乙烯树脂

　　i) density

　　ii) extractable fraction in n-hexane

　　iii) soluble fraction in xylene

　　f. polypropylene resins (pp) , 21 cfr 177.1520 聚丙烯树脂

　　'i) density

　　ii) melting point

　　iii) extractable fraction in n-hexane

　　iv) soluble fraction in xylene

　　g.ethylene-vinyl acetate copolymer (eva), 21 cfr 177.1350乙烯/乙酸乙酯共聚物

　　i) total extractives in distilled water

　　ii) total extractives in n-heptane

　　iii) total extractives in 8% alcohol

　　iv) total extractives in 50% alcohol

　　h. polycarbonate resins (pc), 21 cfr 177.1580聚碳酸酯

　　i) total extractives in distilled water

　　ii) total extractives in 50% ethyl alcohol

　　iii) total extractives in n-heptane

　　i. polyethylene phthalate polymers (polyester, e.g. pet), 21 cfr 177.1630苯二甲酸乙二酯

　　i) chloroform-soluble extractives in distilled water

　　ii) chloroform-soluble extractives in n-heptane

　　iii) chloroform-soluble extractives in 50% ethyl alcohol

　　j. polyvinyl alcohol film, 21 cfr 177.1670 聚乙烯醇薄膜

　　i) total extractives in n-heptane

　　k. polyoxymethylene copolymer (pom), 21 cfr 177.2470 聚甲醛树脂

　　i) net-chloroform soluble extractives in distilled water

　　ii) net-chloroform soluble extractives in n-heptane

　　iii) net-chloroform soluble extractives in 8% alcohol

　　iv) total extractives in distilled water at reflux temperature for 6 hours

　　v) total extractives in n-heptane at reflux temperature for 6 hours

　　l. polyphenylene sulphide (pps), 21 cfr 177.2490 聚苯硫醚树脂

　　i) total extractives in distilled water

　　ii) total extractives in 3% acetic acid

　　iii) total extractives in 50% ethanol

　　iv) total extractives in heptane

　　m. poly (2,6-dimethyl-1,4-phenylene) oxide (ppo), 21 cfr 177.2460 聚氧化树脂

　　i) total extractives in n-heptane