1. V\u1eadt li\u1ec7u<\/p>\n
C\u00f3 m\u1ed9t h\u00ecnh tam gi\u00e1c m\u0169i t\u00ean \u1edf \u0111\u00e1y chai nh\u1ef1a th\u00f4ng th\u01b0\u1eddng. C\u00f3 m\u1ed9t con s\u1ed1 trong h\u00ecnh tam gi\u00e1c. C\u00e1c con s\u1ed1 sau trong h\u00ecnh tam gi\u00e1c \u1edf \u0111\u00e1y chai nh\u1ef1a \u0111\u1ec1 c\u1eadp \u0111\u1ebfn th\u00e0nh ph\u1ea7n c\u1ee7a chai v\u00e0 t\u00e1c \u0111\u1ed9ng c\u1ee7a n\u00f3 \u0111\u1ebfn s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi.<\/p>\n
1) PET: polyethylene terephthalate. Th\u01b0\u1eddng c\u00f3 trong chai n\u01b0\u1edbc kho\u00e1ng, chai n\u01b0\u1edbc gi\u1ea3i kh\u00e1t c\u00f3 ga, v.v. Khi nhi\u1ec7t \u0111\u1ed9 \u0111\u1ea1t \u0111\u1ebfn 70 \u0111\u1ed9 C, d\u1ec5 bi\u1ebfn d\u1ea1ng, m\u1ed9t s\u1ed1 ch\u1ea5t c\u00f3 h\u1ea1i b\u1ecb tan ch\u1ea3y. Ch\u1ea5t g\u00e2y ung th\u01b0 DEHP c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng sau 10 th\u00e1ng s\u1eed d\u1ee5ng. Lo\u1ea1i chai n\u00e0y kh\u00f4ng th\u1ec3 \u0111\u1ec3 trong xe \u0111\u1ec3 t\u1eafm n\u1eafng, v\u00e0 kh\u00f4ng th\u1ec3 ch\u1ee9a r\u01b0\u1ee3u, d\u1ea7u v\u00e0 c\u00e1c ch\u1ea5t kh\u00e1c.<\/p>\n
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2) HDPE: Polyethylene m\u1eadt \u0111\u1ed9 cao. Th\u01b0\u1eddng d\u00f9ng trong c\u00e1c chai thu\u1ed1c m\u00e0u tr\u1eafng, \u0111\u1ed3 d\u00f9ng v\u1ec7 sinh, s\u1ea3n ph\u1ea9m t\u1eafm. Kh\u00f4ng th\u1ec3 d\u00f9ng \u0111\u1ec3 l\u00e0m c\u1ed1c \u0111\u1ef1ng n\u01b0\u1edbc.<\/p>\n
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3) PVC: polyvinyl clorua. Th\u01b0\u1eddng d\u00f9ng trong \u00e1o m\u01b0a, v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng, m\u00e0ng nh\u1ef1a, h\u1ed9p nh\u1ef1a, v.v. Do t\u00ednh d\u1ebbo tuy\u1ec7t v\u1eddi v\u00e0 gi\u00e1 th\u00e0nh th\u1ea5p n\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i. N\u00f3 c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u1ebfn \u0111\u1ec9nh cao khi kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t \u0111\u1ea1t 81 \u0111\u1ed9 C. D\u1ec5 s\u1ea3n sinh ra c\u00e1c ch\u1ea5t c\u00f3 h\u1ea1i \u1edf nhi\u1ec7t \u0111\u1ed9 cao, \u00edt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong bao b\u00ec th\u1ef1c ph\u1ea9m. Kh\u00f3 v\u1ec7 sinh, d\u1ec5 l\u01b0u l\u1ea1i, kh\u00f4ng t\u00e1i ch\u1ebf.<\/p>\n
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4) PE: Polyethylene. Th\u01b0\u1eddng c\u00f3 trong m\u00e0ng b\u1ea3o qu\u1ea3n th\u1ef1c ph\u1ea9m, m\u00e0ng nh\u1ef1a, v.v. Khi nhi\u1ec7t \u0111\u1ed9 cao, c\u00e1c ch\u1ea5t \u0111\u1ed9c h\u1ea1i \u0111\u01b0\u1ee3c s\u1ea3n sinh. Khi c\u00e1c ch\u1ea5t \u0111\u1ed9c h\u1ea1i x\u00e2m nh\u1eadp v\u00e0o c\u01a1 th\u1ec3 con ng\u01b0\u1eddi th\u00f4ng qua th\u1ef1c ph\u1ea9m, ch\u00fang c\u00f3 th\u1ec3 g\u00e2y ra ung th\u01b0 v\u00fa, d\u1ecb t\u1eadt b\u1ea9m sinh \u1edf tr\u1ebb s\u01a1 sinh v\u00e0 c\u00e1c b\u1ec7nh kh\u00e1c.<\/p>\n
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5) PP: polypropylene. Th\u01b0\u1eddng th\u1ea5y trong c\u00e1c chai s\u1eefa \u0111\u1eadu n\u00e0nh, chai s\u1eefa chua, h\u1ed9p \u0111\u1ef1ng th\u1ee9c \u0103n tr\u01b0a l\u00f2 vi s\u00f3ng, nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y cao t\u1edbi 167 \u0111\u1ed9 C, l\u00e0 s\u1ea3n ph\u1ea9m nh\u1ef1a duy nh\u1ea5t c\u00f3 th\u1ec3 cho v\u00e0o l\u00f2 vi s\u00f3ng, c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng sau khi v\u1ec7 sinh c\u1ea9n th\u1eadn. C\u1ea7n l\u01b0u \u00fd r\u1eb1ng m\u1ed9t s\u1ed1 h\u1ed9p \u0111\u1ef1ng th\u1ee9c \u0103n tr\u01b0a l\u00f2 vi s\u00f3ng \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng PP s\u1ed1 5, nh\u01b0ng n\u1eafp h\u1ed9p \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng PET s\u1ed1 1. V\u00ec PET kh\u00f4ng ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao n\u00ean kh\u00f4ng th\u1ec3 cho v\u00e0o l\u00f2 vi s\u00f3ng c\u00f9ng v\u1edbi h\u1ed9p.<\/p>\n
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6) PS: polystyrene. Th\u01b0\u1eddng th\u1ea5y trong h\u1ed9p \u0111\u1ef1ng b\u00e1t, h\u1ed9p \u0111\u1ef1ng th\u1ee9c \u0103n nhanh. Kh\u00f4ng n\u00ean cho v\u00e0o l\u00f2 vi s\u00f3ng \u0111\u1ec3 tr\u00e1nh gi\u1ea3i ph\u00f3ng h\u00f3a ch\u1ea5t \u0111\u1ed9c h\u1ea1i do nhi\u1ec7t \u0111\u1ed9 qu\u00e1 cao. Tr\u00e1nh \u0111\u00f3ng g\u00f3i th\u1ee9c \u0103n n\u00f3ng trong h\u1ed9p \u0111\u1ef1ng th\u1ee9c \u0103n nhanh v\u00e0 kh\u00f4ng lu\u1ed9c m\u00ec \u0103n li\u1ec1n trong l\u00f2 vi s\u00f3ng.<\/p>\n
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7) C\u00e1c lo\u1ea1i PC kh\u00e1c. Th\u01b0\u1eddng th\u1ea5y trong b\u00ecnh \u0111\u1ef1ng n\u01b0\u1edbc, c\u1ed1c kh\u00f4ng gian, b\u00ecnh \u0111\u1ef1ng s\u1eefa. C\u00e1c c\u1eeda h\u00e0ng b\u00e1ch h\u00f3a th\u01b0\u1eddng d\u00f9ng c\u1ed1c \u0111\u1ef1ng n\u01b0\u1edbc l\u00e0m t\u1eeb nh\u1eefng v\u1eadt li\u1ec7u n\u00e0y l\u00e0m qu\u00e0 t\u1eb7ng. Tuy nhi\u00ean, c\u1ed1c \u0111\u1ef1ng n\u01b0\u1edbc l\u00e0m t\u1eeb v\u1eadt li\u1ec7u n\u00e0y d\u1ec5 gi\u1ea3i ph\u00f3ng ch\u1ea5t \u0111\u1ed9c bisphenol A, c\u00f3 h\u1ea1i cho c\u01a1 th\u1ec3 con ng\u01b0\u1eddi. Ngo\u00e0i ra, kh\u00f4ng n\u00ean \u0111un n\u00f3ng c\u1ed1c \u0111\u1ef1ng n\u01b0\u1edbc khi s\u1eed d\u1ee5ng v\u00e0 tr\u00e1nh \u00e1nh n\u1eafng tr\u1ef1c ti\u1ebfp.<\/p>\n
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2. Xem x\u00e9t t\u00ednh minh b\u1ea1ch.<\/p>\n
Quan s\u00e1t \u0111\u1ed9 trong su\u1ed1t v\u00e0 \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a th\u00e0nh chai. Chai n\u01b0\u1edbc b\u1eb1ng nh\u1ef1a k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng s\u1ebd b\u1ecb d\u00ednh v\u00e0 l\u00e0m se n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c r\u1eeda s\u1ea1ch.<\/p>\n
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3. M\u00f9i<\/p>\n
Chai n\u01b0\u1edbc k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng c\u00f3 m\u00f9i h\u00f4i kh\u00f3 ch\u1ecbu. Ngay c\u1ea3 khi \u0111\u1ef1ng \u0111\u1ea7y \u0111\u1ed3 u\u1ed1ng ho\u1eb7c th\u1ee9c \u0103n, ch\u00fang v\u1eabn c\u00f3 th\u1ec3 b\u1ed1c m\u00f9i t\u1eeb b\u00ean ngo\u00e0i m\u00e0 kh\u00f4ng c\u1ea7n m\u1edf.<\/p>\n
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4. \u0110\u1ed9 c\u1ee9ng<\/p>\n
B\u00ecnh \u0111\u1ef1ng n\u01b0\u1edbc b\u1eb1ng nh\u1ef1a t\u1ed1t c\u00f3 \u0111\u1ed9 d\u00e0y v\u00e0 c\u1ee9ng. \u00c1p l\u1ef1c tay s\u1ebd kh\u00f4ng g\u00e2y bi\u1ebfn d\u1ea1ng qu\u00e1 m\u1ee9c.<\/p>\n
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5. \u0110\u1ed9 b\u00f3ng<\/p>\n
C\u00e1c h\u1ed9p \u0111\u1ef1ng b\u1eb1ng nh\u1ef1a t\u1ed1t c\u00f3 b\u1ec1 m\u1eb7t b\u00f3ng, m\u1ec1m, c\u00f2n c\u00e1c chai \u0111\u1ef1ng n\u01b0\u1edbc b\u1eb1ng nh\u1ef1a k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng c\u00f3 b\u1ec1 m\u1eb7t h\u01a1i t\u1ed1i.<\/p>\n
<\/p>","protected":false},"excerpt":{"rendered":"
Five Principles for Choosing Plastic Water Bottle 1. Material There is an arrow triangle at the bottom of a regular plastic bottle. There is a number in the triangle. The following figures in the triangle at the bottom of a plastic bottle refer to the composition of the bottle and its impact on human health. […]<\/p>\n","protected":false},"author":0,"featured_media":289,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[2],"tags":[],"class_list":["post-162","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"yoast_head":"\n