食品器具容器包裝檢驗(yàn)方法聚對(duì)苯二甲酸乙二酯塑料類之檢驗(yàn)

1、Methods of Test for Food Utensils, Containers and Packagesw Test of PolyethyleneTerephthalate Plastic Products1. A dGkA fGAGBeBC2. OGuBeBkwviOC3. G3.1G13.1.1 kGllkà(atomic absorption spectrophotometry, AAS) mG.1llGi(Atomic absorption spectrophotometer)AguC283.3 nm.2lGA tbH(

2、Furnace)1.5C.3OC(Hot plate).4hlsyGsyhl(Deionized water generator)iF18 m? -cmHWCG.1()G 50 mLAssAC.2e( )GB100 mLAC10 mLpyrexGgbAvG(1G 1, v/v)GAmLANvGHMAAHhlACG vSA(1000g/mL)llCGtsGTAAH0.1NvG2.0A10.0 g/mLGCGsGN5 mm HU pA1 g A TwAmA wwA OWoA10A l H

3、450 AA A HAACdH0.1Nv G w e10 mL A GCtAwwAPAGCtwGNGBGGOll A i283.3 nmB w l AN G Gw P1(ppm)CCVt(ppm)MGuDoGC( g/mL)V Gwen(mL)M G(g)3.2 G3.2.1 kGllkà(atomic absorption spectrophotometry, AAS) mG.1llGi(Atomic absorption spectrophotometer)AguC228.8 nm.2lG A tbH(Furnace)1

4、.5CC.3OC(Hot plate).4 h l sy(Deionized water generator)GsyhliF18 m? -cmHWCG.1( )G50 mLAssAC.2e( )GBAC10 mL 100 mLpyrexGgbAvG(1G 1, v/v)GAmLANvGHMAAHhlACGvSA(1000g/mL)llCGtsGTAAHvG0.2A0.1N1.0 g/mLGCGsGN5 mm HU pA1 g A TwAmA wwA OWoA10A l H450 AA

5、 A HAACdH0.1Nv G w e10 mL A GCtAwwAPAGCtwGNGBGGOll A i228.8 nmB w l AN G Gw PG olA UCp D t2(ppm)Ct(ppm)CVMCGuDoG(g/mL)VGwen( mL)MG(g)4. G·4.1 G4.1.1 kGwwk(titrimetry) mG.1 D(Water bath)Gtb1HC.2 Mc(Oven)GAtb1HC G.1 GUGAGA sA9 cm ( n63.62 cm2 )A11.5cmA7

6、 cmCBGA A sssC9 cmA15 cmA 1.8 cmCCGLA Ass sC15 cm A1.8 cmCDGTwCABCDABCB250 mLC25 mLAp0.05 mLACb AC A e80%en wW wA H nC cm2A w Ww2 mL ATAmW w DA nA30GAGC3cm2A w W w2 mL A HUP .1C PPc AN PAsGC C A NwWw127 mL f APAN AWLA HTwA N mA PAmwWwM cAGAGC30B60A30syu z L100H U95 A30syu z L100H W wG1

7、00 mL m T N A G(1G 2, v/v) G 5 mL0.01N G10 mL A Nm5AhGAHbTNCTG100 mLmTNAG(1G2, v/v) G5 mL AHwww0.01NG10 mL ANm5 mD15 A A Htww w0.01N uG 10 mL A w0.01NG LA0.01N G ww(mL)Ct100 mL P A A U CpDG(ppm)C(a-b) f1000G(ppm)0.316100GGGww(mL)a0.01NGGww(mL)b0.01NfGGO0.01N4.2 G4.2.1 kGk(colorimetry) mG4.2.1

8、.1.1DGtb1HC(Water bath).2McGAtbHC(Oven) G.1GPC..2G50 mLAA(Nessler tube)20 mmGBLvSAvBuoCGtsGT v159.8 mgAv G10 mLA A w10%e1000 mLAG(t100 g/mL) ()CATG10 mL A w e100 mL AG( t10g/mL)CGGsOstiC uGtsGu5 g A10 mL Ao30 mL VAsBAC GsG.1 i

9、GeGb AGC A een w W w4%L GA H nCcm2A w WwL G4%A mWw D AnAGAGC.2 hOGP Pc A NPnM nA HCcm2A w W w4%L G2 mLAHUPCP.1Pc A N PAsGCGCANw W w4%L G127 mL f A PA NA WL AHTw ANmAPGA mw WwMcAGAGCGB80%2 mL A 304%L3060Asyu zL30100H U95Asyu zL30100H W wGT WwGAmA50 mL CTG2 mL mt A4%L G20mL50 mL C

10、 O u GwA54.3 oG4.3.1 kGkà(gravimetry) mG.1 D(Water bath)Gtb1HC.2 Mc (Oven)GAtb1HC G.1GPC..2 oGsCGABBLSCGsG.1 iGeGb AT C A e80%en w W wA H nCcm2 A wWw2 mL AT(4%L G A h)A mW w DA nA WwGAGC.2 hOGP Pc A NPnM nA HCcm2ATCAw

11、 Ww2 mL A HUP .1C P PcAN PA sGCTCA Nw W w127 mL fA PANA W L A HTwA NmA P A mw WwMcAWwGAGCTBoOaabpH 5 H WB60A30eB95A30pH 5 H U (tpH 5)L60A30B eB4%95A30o25A1 pBeBsBeB20% s60A30sy uz L100H U Csy uzL100H W Cbab twGTG(200 300 mL)Amwbo105A D o AM cA1052p AAA N ot A tP AA UCp D Go(ppm)C(a-b)

12、1000Go(ppm) ?Va?GGg(mg)b?Gg(mg)V?GG(mL)4.4 OG?4.4.1 kGlllkàgraphite furnace atomic absorptionspectrophotometry?A GFAAS? mG.1l ll ￥Graphite furnace atomic absorptionspectrophotometer?G i217.6 nm?A Ogu(hollow cathode lamp)gC¤.2O￥(Hot plate)?GC.3D(Water¤bath)?

13、Gtb1HC.4 Mc (Oven)?GAtb1HC.5hlsy￥(Deionized water generator)?GsyhliF18 m? /cmHWC￥ G.1GPC..2eG?50 mL?B 100 mL?A pyrex C.3C￥.4 NC.5 GCGgbAvG(1G 1, v/v)GAmLANv GH M A A H h lAC ?GBL B(? 30%)§W L ABL B BL- a§TC(tri-n-octylp

14、hosphineoxide) SA§ B(methyl isobutyl ketone)±AO(1000 g/mL) ± ICPC¤ sG?.1 ?L- aGtsG§30 g ¤L- a§10 g?A10 mL?Ahl100 mL?ACtsC.2 TCBGG¤TC1 g?AHB100 mL?CGtsG?TAOAH6N2G0.5? 3 g/mL?AGCGsGà.1 iGeGb AC A e80%en w W w4%L GA

15、 H nCcm2A w WwL G2 mLA4%A mWw D AnA30GCT G50 mL A mN A2 mLAA NoAvwL30%B GAC0.5 mL A AoAGeL z CNo A H hl20 mL eAhlwe20 mL CT10 mL AmGA10 mL DL-aG10 mL AmA T CB G10 mL An 30A BhA GCt4%L G50mL AmNAPAGC.2 hOGP Pc A NPnM nA HCcm2A w W w4%L G2 mLAHUPCP.1Pc A N PAsGC CANw W w4%L G127 mL f A P

16、A NA WL AHTw ANmAP4%LGA mw WwMcA30GCT G50 mL A m N A HUP.1 A GCt4%L G50 mL A mNAPAGC860A30sy uzL100HU95A30sy uzL100HWusG?T GU10 mL?A O mGA10 mLDL- aG§10 mL?A mATCB G10 mL?A n30?ABhCt10 mL?AmGAPAGCTG GU20 L?A Oll lAi217.6 nm3BwlANGGwAsuCBlllwOGB?sec?à150 30¤900 30l2100 8G

17、L k w A h A w CtwG§TGGU20 LA Oll lAi217.6 nmBwlANG?2G￥aàúw-èá ?Aì¤UC-poa|?¨DX·?￥ X2G¤¤ ?O¤§§ t?q(ppm)CGOtCV(ppm)MCGuDoGO(g/mL)VGGwen(mL)MGG(mL)4.5 G?4.5.1 kGlllkà(graphite furnace atomic absorptionspectrophotometry, GF

18、AAS)mG.1 ￥ ?￥ ?l|?-ì¤ l § l|?￥?(Graphiteú?Dfurnace atomic absorptionspectrophotometer)?G i256.16 nm?Agu(hollow cathode lamp)gC¤.2O￥(Hot plate)?GC.3D(Water¤ bath)?Gtb1HC.4McGAtbHC(Oven).5hlsyGsyhl(Deionized water generator)iF18

19、 m? -cmHWCG.1GPC..2 NC.3 CGgbAvG(1G 1, v/v)GAmLANvGHMAAHhlAC ?GBvL B(? 30%)§W L ABL vW(cobaltous nitrate) SA §(1000g/mL) ± ICPCC¤vWGtsGvW14.6 g?AHhl100 mL?CGtsG?T AAHhl0.5? 3.0 g/mL?AGCGsGà.1 iGeGb AC A e80%en w W w4%L GA H nCcm2A w WwL G2 mLA4%A mWw D AnA30GCT G200 mL A mNAv10 mL AGHA3%L