Kiimikooyinka Huafuwaxay la wadaagaysaa qaar ka mid ah xogta tijaabada xirfadeed ee socdaalka formaldehyde ee heerkulka-sare ee ku saabsan alaabta miiska melamine.
Habka Tijaabada: Ku qooy 3% xal acetic acid heerkul kala duwan 0.5 saac, 2 saacadood.Hoos ka eeg natiijada
Saamaynta heerkulka qooyay ee socdaalka formaldehyde mg/kg
Urea resin cutlery | Melamine resin cutlery | gooyn xabagta isku qasan | ||||
saacada ℃ | 0.5 saac | 2 h | 0.5 saac | 2 h | 0.5 saac | 2 h |
4℃ | ND | ND | ND | ND | ND | ND |
40℃ | 1.40 | 3.33 | ND | ND | 1.08 | 2.28 |
60℃ | 4.96 | 20.8 | ND | 4.45. | 4.44 | 17.3 |
70℃ | 11.7 | 108.4 | ND | 6.97 | 12.6 | 98.7 |
80℃ | 57.7 | 269.5 | 2.58 | 10.5 | 57.4 | 229.7 |
90℃ | 78.3 | 559.8 | 7.87 | 38.5 | 88.8 | 409.5 |
100 ℃ | 109.2 | 798.6 | 23.1 | 69.8 | 98.5 | 730.2 |
Sida ku cad shaxda.Saddexda nooc ee agabka miiska ayaa asal ahaan ka xor ah socdaalka monomer formaldehyde ee hoos yimaada xaaladda kaydinta qabow.
* Markay tahay 40 ℃, guuritaanka formaldehyde ee saddexda nooc ee alaabta miiska ayaa ka yar 5 mg / kg, xadka la xaddiday ee EU-da waa 15 mg / kg.
* Markay tahay 80 ℃ iyo wixii ka sareeya, hijrada formaldehyde waxay aad uga badan tahay xadka loo qoondeeyay.Marka uu heerkulku sii kordho, tirada socdaalka ayaa si aad ah u kordheysa.
* Marka 80 ℃, qiyaasta socdaalka ee formaldehyde waxay muujineysaa koror degdeg ah, oo gaaraya ugu badnaan 100 ℃.
Natiijooyinka tijaabada ah waxay muujinayaan in heerkulka immersion uu kordho, heerka kala qaybsanaantu korodho, cufnaanta dusha sare ayaa hoos u dhacda, dhalaalkuna hoos u dhaco.MarkaaQalabka miiska melamine waa mamnuuc microwave-ka.Waxaan isticmaali karnaa kabadhada jeermiska-jeermiska ee ozone ama dareeraha jeermiska dila.
Hadda, aynu eegno xogta tijaabada Huafu melamine disc.Dhismaha melamineay soo saartay Huafu Chemicals way dhaaftaySGStijaabin, xitaa tayada aad u fiican.Haddii aad tahay warshado alaabta miiska, fadlan xor u noqo inaad nala soo xidhiidho qiimaha ugu fiican iyo macluumaadka bilaashka ah.
Tijaabo ayaa la codsaday | Gabagabo |
Xeerka Komishanka (EU) Lam 10/2011 ee 14 Jannaayo 2011 oo wax laga beddelay-Guud ahaan socdaalka | DHAAF |
Xeerka Komishanka (EU) No 10/2011 ee 14 January 2011 lehwax ka beddelka- guuritaanka gaarka ah ee melamine | DHAAF |
Xeerka Komishanka (EU) No 10/2011 ee 14 Janaayo 2011 iyo KomishankaXeerka (EU) Lam 284/2011 ee 22 March 2011- socdaalka gaarka ah eeformaldehyde | DHAAF |
Waqtiga boostada: Abriil-30-2020