{"id":7252,"date":"2021-04-07T08:28:49","date_gmt":"2021-04-07T01:28:49","guid":{"rendered":"https:\/\/vinatom.gov.vn\/?p=7252"},"modified":"2024-09-10T09:40:10","modified_gmt":"2024-09-10T02:40:10","slug":"gioi-thieu-phong-chuan-do-lieu-thu-cap-ssdl-trung-tam-hat-nhan-tp-ho-chi-minh","status":"publish","type":"post","link":"https:\/\/vinatom.gov.vn\/gioi-thieu-phong-chuan-do-lieu-thu-cap-ssdl-trung-tam-hat-nhan-tp-ho-chi-minh\/","title":{"rendered":"Gi\u1edbi thi\u1ec7u Ph\u00f2ng chu\u1ea9n \u0111o li\u1ec1u th\u1ee9 c\u1ea5p (SSDL) Trung t\u00e2m H\u1ea1t nh\u00e2n Tp. H\u1ed3 Ch\u00ed Minh"},"content":{"rendered":"

Ph\u00f2ng th\u00ed nghi\u1ec7m hi\u1ec7u chu\u1ea9n h\u1ea1t nh\u00e2n (Laboratory for Nuclear Calibrations – LNC) c\u1ee7a Trung t\u00e2m H\u1ea1t nh\u00e2n Tp. H\u1ed3 Ch\u00ed Minh (CNT) l\u00e0 ph\u00f2ng th\u00ed nghi\u1ec7m chu\u1ea9n li\u1ec1u th\u1ee9 c\u1ea5p (Secondary Standard Dosimetry Laboratory – SSDL) cho c\u00e1c b\u1ee9c x\u1ea1 ion h\u00f3a theo ti\u00eau chu\u1ea9n \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng ISO 17025 (H\u00ecnh 1).<\/p>\n

<\/p>\n

$\"\"$ H\u00ecnh 1. C\u01a1 s\u1edf 2 – Trung t\u00e2m H\u1ea1t nh\u00e2n Tp. H\u1ed3 Ch\u00ed Minh – N\u01a1i \u0111\u1eb7t CNT-LNC<\/em><\/p>\n

<\/p>\n

Ph\u00f2ng th\u00ed nghi\u1ec7m hi\u1ec7u chu\u1ea9n h\u1ea1t nh\u00e2n t\u1ea1i Trung t\u00e2m H\u1ea1t nh\u00e2n Tp. H\u1ed3 Ch\u00ed Minh (CNT-LNC) n\u1eb1m trong m\u1ea1ng l\u01b0\u1edbi c\u00e1c ph\u00f2ng chu\u1ea9n \u0111o li\u1ec1u l\u01b0\u1ee3ng b\u1ee9c x\u1ea1 ion h\u00f3a c\u1ee7a Vi\u1ec7n N\u0103ng l\u01b0\u1ee3ng nguy\u00ean t\u1eed Vi\u1ec7t Nam (VINATOM). \u0110\u1ea7u n\u0103m 2021, CNT-LNC \u0111\u00e3 \u0111\u01b0\u1ee3c C\u1ee5c An to\u00e0n b\u1ee9c x\u1ea1 v\u00e0 h\u1ea1t nh\u00e2n \u2013 B\u1ed9 Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7 c\u1ea5p Gi\u1ea5y \u0111\u0103ng k\u00fd ho\u1ea1t \u0111\u1ed9ng d\u1ecbch v\u1ee5 h\u1ed7 tr\u1ee3 \u1ee9ng d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng nguy\u00ean t\u1eed s\u1ed1 12\/2021\/\u0110K\/ATBXHN ng\u00e0y 25\/03\/2021 v\u1ec1: \u201cCung c\u1ea5p d\u1ecbch v\u1ee5 hi\u1ec7u chu\u1ea9n thi\u1ebft b\u1ecb ghi \u0111o b\u1ee9c x\u1ea1 (tia X v\u00e0 gamma \u0111\u1ed1i v\u1edbi thi\u1ebft b\u1ecb \u0111o su\u1ea5t li\u1ec1u c\u1ea7m tay v\u00e0 li\u1ec1u k\u1ebf c\u00e1 nh\u00e2n cho c\u00e1c t\u1ed5 ch\u1ee9c, c\u00e1 nh\u00e2n c\u00f3 nhu c\u1ea7u)\u201d.<\/p>\n

<\/p>\n

Trung t\u00e2m H\u1ea1t nh\u00e2n Tp. H\u1ed3 Ch\u00ed Minh c\u00f3 k\u1ebf ho\u1ea1ch \u0111\u01b0a CNT-LNC tr\u1edf th\u00e0nh th\u00e0nh vi\u00ean c\u1ee7a M\u1ea1ng l\u01b0\u1edbi c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m chu\u1ea9n li\u1ec1u th\u1ee9 c\u1ea5p c\u1ee7a C\u01a1 quan \u00a0N\u0103ng l\u01b0\u1ee3ng nguy\u00ean t\u1eed qu\u1ed1c t\u1ebf (IAEA) v\u00e0 T\u1ed5 ch\u1ee9c Y t\u1ebf th\u1ebf gi\u1edbi (WHO), m\u1ea1ng l\u01b0\u1edbi n\u00e0y c\u00f3 t\u00ean: IAEA\/WHO SSDL Network.<\/p>\n

<\/p>\n

CNT-LNC s\u1eed d\u1ee5ng ngu\u1ed3n gamma (^{137<\/sup>Cs) c\u00f3 m\u1ee9c n\u0103ng l\u01b0\u1ee3ng 662 keV (H\u00ecnh 2) v\u00e0 tia X (m\u00e1y ph\u00e1t tia X) l\u00ean t\u1edbi 160 kV (H\u00ecnh 3). Trong t\u01b0\u01a1ng lai, ph\u00f2ng th\u00ed nghi\u1ec7m s\u1ebd b\u1ed5 sung ngu\u1ed3n neutron v\u00e0 ngu\u1ed3n \u03b2. C\u00e1c ngu\u1ed3n n\u00e0y c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi c\u1ea7n chi\u1ebfu x\u1ea1 li\u1ec1u ch\u00ednh x\u00e1c ho\u1eb7c su\u1ea5t li\u1ec1u cho c\u00e1c m\u1ee5c \u0111\u00edch nghi\u00ean c\u1ee9u, \u1ee9ng d\u1ee5ng v\u00e0 tri\u1ec3n khai d\u1ecbch v\u1ee5. Ph\u00f2ng th\u00ed nghi\u1ec7m \u0111\u01b0\u1ee3c B\u1ed9 Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7 (KH&CN) \u0111\u1ea7u t\u01b0 d\u01b0\u1edbi d\u1ea1ng D\u1ef1 \u00e1n x\u00e2y d\u1ef1ng ph\u00f2ng chu\u1ea9n \u0111o l\u01b0\u1eddng th\u1ee9 c\u1ea5p t\u1ea1i Trung t\u00e2m H\u1ea1t nh\u00e2n Tp. H\u1ed3 Ch\u00ed Minh, th\u1ef1c hi\u1ec7n trong giai \u0111o\u1ea1n 2018-2019.<\/p>\n}

<\/p>\n

$\"\"$ H\u00ecnh 2. Ph\u00f2ng chu\u1ea9n li\u1ec1u gamma s\u1eed d\u1ee5ng ngu\u1ed3n ^{137<\/sup>Cs<\/em><\/p>\n}

<\/p>\n

C\u00e1c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a CNT-LNC cung c\u1ea5p d\u1ecbch v\u1ee5 cho c\u00e1c nh\u00f3m nghi\u00ean c\u1ee9u v\u00e0 \u1ee9ng d\u1ee5ng trong Trung t\u00e2m CNT, c\u00e1c \u0111\u01a1n v\u1ecb c\u1ee7a VINATOM v\u00e0 cho c\u00e1c kh\u00e1ch h\u00e0ng b\u00ean ngo\u00e0i nh\u01b0 c\u00e1c c\u01a1 s\u1edf nghi\u00ean c\u1ee9u, Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc, b\u1ec7nh vi\u1ec7n c\u00f3 khoa y h\u1ecdc h\u1ea1t nh\u00e2n, nh\u00e0 m\u00e1y, c\u00e1c khu c\u00f4ng nghi\u1ec7p, v.v..<\/p>\n

<\/p>\n

C\u00e1c \u1ee9ng d\u1ee5ng<\/strong><\/p>\n

<\/p>\n

C\u00e1c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a CNT-LNC \u0111\u00e1p \u1ee9ng cho c\u00e1c \u1ee9ng d\u1ee5ng sau \u0111\u00e2y:<\/em><\/strong><\/p>\n

<\/p>\n

\n
An to\u00e0n b\u1ee9c x\u1ea1 c\u00e1c c\u01a1 s\u1edf b\u1ee9c x\u1ea1 v\u00e0 h\u1ea1t nh\u00e2n bao g\u1ed3m c\u00e1c trung t\u00e2m nghi\u00ean c\u1ee9u, c\u00e1c Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc v\u00e0 c\u00e1c b\u1ec7nh vi\u1ec7n.<\/li>\n
\u0110o li\u1ec1u tham chi\u1ebfu trong khoa y h\u1ecdc h\u1ea1t nh\u00e2n v\u00e0 x\u1ea1 tr\u1ecb c\u1ee7a c\u00e1c b\u1ec7nh vi\u1ec7n cho \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng ch\u00f9m gamma v\u00e0 tia X.<\/li>\n
Chi\u1ebfu x\u1ea1 c\u00e1c m\u1eabu sinh h\u1ecdc cho c\u00e1c nghi\u00ean c\u1ee9u li\u00ean quan \u0111\u1ebfn \u0111i\u1ec1u tr\u1ecb ung th\u01b0 (sinh h\u1ecdc ph\u00f3ng x\u1ea1) ho\u1eb7c b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng (ph\u00f3ng x\u1ea1 h\u1ecdc).<\/li>\n
Th\u1eed nghi\u1ec7m c\u00e1c lo\u1ea1i li\u1ec1u k\u1ebf v\u00e0 \u0111\u1ea7u d\u00f2 (detector) ghi \u0111o b\u1ee9c x\u1ea1 ion h\u00f3a m\u1edbi \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng.<\/li>\n
Ki\u1ec3m tra v\u1eadt li\u1ec7u b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch d\u00f9ng ngu\u1ed3n ph\u00f3ng x\u1ea1 (c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch h\u1ea1t nh\u00e2n v\u00e0 li\u00ean quan).<\/li>\n
X\u00e1c \u0111\u1ecbnh \u0111\u1eb7c tr\u01b0ng c\u1ee7a c\u00e1c \u0111\u1ea7u d\u00f2 (detector) ghi \u0111o b\u1ee9c x\u1ea1 ion h\u00f3a \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c m\u1ee5c \u0111\u00edch an to\u00e0n v\u00e0 \u0111o l\u01b0\u1eddng b\u1ee9c x\u1ea1 ion h\u00f3a.<\/li>\n<\/ul>\n
Thi\u1ebft b\u1ecb c\u1ee7a ph\u00f2ng th\u00ed nghi\u1ec7m<\/strong><\/p>\n
C\u00e1c thi\u1ebft l\u1eadp chi\u1ebfu x\u1ea1 c\u1ee7a CNT-LNC bao g\u1ed3m (ng\u00e0y tham chi\u1ebfu 01\/01\/2021):<\/em><\/strong><\/p>\n
\n
Ngu\u1ed3n ^{137<\/sup>Cs c\u00f3 kh\u1ea3 n\u0103ng chi\u1ebfu x\u1ea1 \u0111\u1ed3ng th\u1eddi nhi\u1ec1u li\u1ec1u k\u1ebf v\u00e0 K-air l\u00ean \u0111\u1ebfn 40,1 mGy\/h;<\/li>\n}
M\u00e1y ph\u00e1t tia X c\u00f3 n\u0103ng l\u01b0\u1ee3ng l\u00ean \u0111\u1ebfn 160 kV;<\/li>\n
C\u00e1c d\u1ee5ng c\u1ee5, t\u1ea5m phin l\u1ecdc, phantom, v.v..<\/li>\n<\/ul>\n
$\"\"$ <\/strong>H\u00ecnh 3. Ph\u00f2ng chu\u1ea9n li\u1ec1u tia X s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb m\u00e1y ph\u00e1t tia X<\/em><\/p>\n
<\/p>\n
$\"\"$ H\u00ecnh 4. Thi\u1ebft b\u1ecb \u0111\u1ecdc \u0111i\u1ec7n t\u00edch v\u00e0 m\u1ed9t s\u1ed1 bu\u1ed3ng Ion h\u00f3a c\u01a1 b\u1ea3n<\/em><\/p>\n
<\/p>\n
Trung t\u00e2m H\u1ea1t nh\u00e2n Tp. H\u1ed3 Ch\u00ed Minh<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"
Ph\u00f2ng th\u00ed nghi\u1ec7m hi\u1ec7u chu\u1ea9n h\u1ea1t nh\u00e2n (Laboratory for Nuclear Calibrations – LNC) c\u1ee7a Trung t\u00e2m H\u1ea1t nh\u00e2n Tp. H\u1ed3 Ch\u00ed Minh (CNT) l\u00e0 ph\u00f2ng th\u00ed nghi\u1ec7m chu\u1ea9n li\u1ec1u th\u1ee9 c\u1ea5p (Secondary Standard Dosimetry Laboratory – SSDL) cho c\u00e1c b\u1ee9c x\u1ea1 ion h\u00f3a theo ti\u00eau chu\u1ea9n \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng ISO 17025 (H\u00ecnh 1). […]<\/p>\n","protected":false},"author":1,"featured_media":15857,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,24],"tags":[],"class_list":["post-7252","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-san-pham","category-tin-hoat-dong-cua-vien"],"_links":{"self":[{"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/posts\/7252","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/comments?post=7252"}],"version-history":[{"count":2,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/posts\/7252\/revisions"}],"predecessor-version":[{"id":15862,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/posts\/7252\/revisions\/15862"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/media\/15857"}],"wp:attachment":[{"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/media?parent=7252"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/categories?post=7252"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/tags?post=7252"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}