食品器具容器包装检验方法以甲醛为合成原料之塑料类之检验

1、Methods of Test for Food Utensils, Containers and Packagesw Test of Plastics with Formaldehyde as Raw Material for Synthesis1. A dkA HBeBC2. uBeBkwviC.1 kllkà(atomic absorption spectrophotometry, AAS) m.1lli(Atomic absorption spectrophotometer)AguC283.3 nm.2l(Furna

2、ce)A tbH1.5C.3C(Hot plate).4hlsysyhl(Deionized water generator)iF18 m? -cmHWC.1()50 mLAssAC( ).2eB100 mLAC10 mLpyrexgbAv(11, v/v)AmLANvHMAAHhlACvSA(1000g/mL)llRCtsTAAH0.1Nv2.0A10.0 g/mLCsN5 mm HU pA1 g A TwAmA wwA WoA10A l H450 AA A HAACdH0.1N

3、v w e10 mL A CtAwwAPACtwN Bll A i283.3 nmB w l AN w P1(ppm)CCVt(ppm)MCuDo( g/mL)V wen(mL)M R(g) kllkà(atomic absorption spectrophotometry, AAS)m.1lli(Atomic absorption spectrophotometer)AguC228.8 nm.2l(Furnace)A tbH1.5CC.3C(Hot plate).4 h l sy

4、(Deionized water generator) syhliF18 m? -cmHWC.1()50 mLAssAC.2e()10 mLB100 mLACpyrexgbAv(11, v/v)AmLANvHMAAHhlACvSA(1000g/mL)llRCtsTAAHv0.21.0A0.1Ng/mLCsN5 mm HU pA1 g A TwAmA wwA WoA10A l H450 AA A HAACdH0.1N v w e10 mL A CtAwwAPACtwN Bll A i228.8

5、nmB w l AN w Pol A UCp D t2(ppm)CC Vt(ppm)MCuDo( g/mL)V wen( mL)M R(g)4. ·4.1 ×4.1.1 kk à(spectrophotometry) m.1 p ¤(Spectrophotometer)?iiC.2 Dtb ¤1HC.1 UA A sA9 cm ( n63.62 cm2 )A11.5cmAC7 cmB A A sssC9 cm AAC15 cm1.8 cmCLA Ass sC15 cm A1.

6、8 cmCDTwCABCDABCB.2eBC50 mL 100 mL ? B N B4- iów L(4-aminoantipyrine)¤(potassium ferricyanide)§ SABuC1N2BuP 1M?NH 9? 10(v/v) VC¤ó4-iwLó1.36 g?AH1000 mL?C38.6 g?A A A1.8 mL?A1000 mL?Cts?1 g?ATwAHwe100 mL?ACAAH10? 50 g/mL?ACs à.1 ie

7、bACAee80%nw WwA HnCcm2 Aw Ww2 mL A T AmW wDAnAAC30.2 hP P c AN P nM nA HCcm2 A w Ww2 mL?AHUP .1?CPPc A N PAsCCANwW w127 mL¤f A PAN AWLA H T wA N mA PA m wWwMcA30AC¤B60A30sy uzL100HU95A30sy uzL100HWus?TU5 mL?Am50 mL?eA25 mL?AN w3 mL?A nV A A4-iów L5mL¤2.5 mL?A

8、 we50 mL?ARV AU m10¤Ct30 mL|PA A Hpi510 nm3BAwlAsuCtw §T30 mLAm50 mLeANw3 mLAHUP CNol uDt(ppm)C4.2 ￥4.2.1 kk à(spectrophotometry) m.1piiC(Spectrophotometer).1 Hm ¤(Steam distiller)?C.2 Dtb ¤1HC ?.1P.1?C.

9、2 e?100 mL?B 200 mL?B 1000 mL?C.3 wwo25 mL?AC.4?1.5 cm?C ?BBNuBLuBL(?37%)§SABL BA(acetylacetone)?BBBBCC s?.10.1N?36 g?AH 100 mL·A14 g?AtAA3owA1000 mL?C.20.1 N2uTNu26 gLu¤0.2 g?AHsNmNo1000 mL?C.3 A¤L150 g?AAL3 mL¤A2 mL?AA1000 m

10、L?AsC ts?1 g A T w A m t5 mL100 mL eA H we100 mL CT10 mL A0.1N50mL1NB20 mLAVAUmA1510%15 mL A H0.1N N uww( H)C t10 mL PA A UCpDt(%)C1.501(V0 V)ftC (%)WV0.1NNuww(mL)V 00.1NNuww(mL)fNu0.1NW(g)T200/C g?AHwe100 mL (?20000 g/ mL)?AAH0.5? 8.0 g/mL?AC sà.1iebACAe80%?enw WwA HnCcm2

11、 Aw Ww2 mL?A T AmW wD A nA30¤CT25 mL?H A20%áC1 mL?A iHA No5? 10 mL¤ 200 mL?eUAHH190 mL?AAwe200 mL?AC.2 hP P c Acm2 A w WwN P nM nA HC2 mL?AHUP.1?CPPc A N PA sCCANwW w127 mL¤f A PA NA W LA HA N mA PA m wWw M cA30¤C T25mL?HA20%áC1 mL?AHUP.1?ACB60Asy u

12、zL30100H U95Asy uzL30100H Wus?T U5 mL?A mAA5 mL?AnAmD10 Ct10 mL|PA AH pbi415 nm3Bwl AsuCtw §T5 mL AA5 mL AHUP CN olUCpDt(ppm)CCVt(ppm)M6CuDo(g/mL)V wen(mL)M(mL)4.3 o4.3.1 kk à(gravimetry) m.1DtbHC.2McAtbHC.1PC..2 oAsCBLSCs.1 ieb AT C Ae80%en w W w4%L A H nCcm2A w WwL2 mLA4%A mWw D AnA30AC.2 hP Pc A NPnM nA HCcm2AT C Aw Ww4%L2 mL A HUP.1C P PcAN PA sCTCA Nw Ww4% L127 mL fA PANA W L A HTwA