Ma ʻAukake 24, ua wehe ʻo Iapana i ka hoʻokuʻu ʻana i ka wai ʻino i hoʻohaumia ʻia e ka ulia nuklea Fukushima i ka Moana Pākīpika. I kēia manawa, e pili ana i ka ʻikepili lehulehu o TEPCO i Iune 2023, ʻo ka wai i hoʻomākaukau ʻia no ka hoʻokuʻu ʻana ka mea nui: ʻo ka hana a H-3 ma kahi o 1.4 x10⁵Bq / L; ʻO ka hana o C-14 he 14 Bq / L; ʻO I-129 ka 2 Bq / L; ʻO ka hana a Co-60, Sr-90, Y-90, Tc-99, Sb-125, Te-125m a me Cs-137 he 0.1-1 Bq / L. Ma kēiaʻano,ʻaʻole mākou e nānā wale i ka tritium i loko o ka wai hoʻonele nuklea, akā, i nā pilikia o nā radionuclides'ē aʻe. Ua hōʻike wale ʻo TepCO i ka ʻikepili hana radioactive α a me β a pau o ka wai i hoʻohaumia ʻia, a ʻaʻole i hōʻike i ka ʻikepili koʻikoʻi o nā nuclides ultra-uranium ʻona loa e like me Np-237, Pu-239, Pu-240, Am-240, Am-241, Am-243 a me Cm-242, ʻo ia hoʻi kekahi o ka pilikia o ka nuclear discharge. kai.
ʻO ka pollution radiation kaiapuni kahi haumia huna, ke hana ʻia e loaʻa kahi hopena maikaʻi ʻole i nā kamaʻāina a puni. Eia kekahi, inā hoʻohaumia ʻia ka mea olaola a i ʻole ka hoʻouna ʻana a puni ke kumu radioactive e ka radionuclide, hiki ke hoʻoili ʻia mai ka pae haʻahaʻa a hiki i ke kiʻekiʻe ma o ke kaulahao meaʻai a hoʻonui mau ʻia i ke kaʻina hana. Ke komo kēia mau mea hoʻohaumia radioactive i ke kino o ke kanaka ma o ka meaʻai, hiki iā lākou ke hōʻiliʻili i loko o ke kino o ke kanaka, a he hopena paha ia i ke olakino kanaka.
I mea e hōʻemi ai a pale aku paha i ka pōʻino o ka hoʻolaha ʻana i ka radiation i ka lehulehu a pale i ke olakino lehulehu i ka palena kiʻekiʻe loa, ʻo ka "International Basic Safety Standards for Radiation Protection and Radiation Source Safety" e kuhikuhi ana i nā mana kūpono e hoʻokumu i ka pae kuhikuhi no nā radionuclides i ka meaʻai.
Ma Kina, ua hoʻokumu ʻia nā kūlana kūpono no ka ʻike ʻana i kekahi mau radionuclids maʻamau. ʻO nā kūlana no ka ʻike ʻana i nā mea radioactive i loko o ka meaʻai me GB 14883.1~10- -2016 "National Standard for Food Safety: Determination of radioactive substances in Food" a me GB 8538- -
2022 "National Standard for Food Safety Drinking Natural Mineral Water", GB / T 5750.13- -2006 "Radioactive Index for Standard Inspection Methods for Inspection Methods for Drinking Water", SN / T 4889- -2017 "Determination of γ Radionuclide in Export High-paakai Food", WS / T 202Memente o ka Radioactive Substances. Meaʻai-241", etc
ʻO nā ala ʻike radionuclide a me nā mea ana i nā meaʻai maʻamau i nā maʻamau penei:
| E noʻonoʻo i ka papahana | mea kālailai | Nā lako kūikawā ʻē aʻe | maʻamau |
| α, β hana nui | Kāpae haʻahaʻa α, β counter | GB / T5750.13- -2006 Radioactive Index of Standard Test Methods for Domestic and drinking Water | |
| tritium | Ka helu haʻahaʻa haʻahaʻa wai scintillation counter | Organotritium-carbon mea hoʻomākaukau laʻana; ʻO ka mea hoʻohui hoʻohui Triitium i ka wai; | GB14883.2-2016 Ka Ho'oholo 'ana i ka Radioactive Material Hydrogen-3 i loko o ka mea'ai, National Standard for Food Safety. |
| Strontium-89 a me strontium-90 | Kāpae haʻahaʻa α, β counter | GB14883.3-2016 Ka Hoʻoholo ʻana o Strr-89 a me Strr-90 i ka National Standard for Food Safety | |
| Adventitia-147 | Kāpae haʻahaʻa α, β counter | GB14883.4-2016 Ka Hoʻoholo ʻana i nā mea radioactive i loko o ka meaʻai-147, National Standard for Food Safety. | |
| Polonium-210 | α spectrometer | Sediments uila | GB 14883.5-2016 Ka Hoʻoholo ʻana o Polonium-210 i ka National Standard for Food Safety |
| Rum-226 a me radium-228 | ʻO Radon Thorium Analyzer | GB 14883.6-2016 Nā Kūlana Palekana Meaʻai Lahui | |
| thorium maoli a me ka uranium | Spectrophotometer, hōʻailona uranium analyser | GB 14883.7-2016 Ka Hoʻoholo ʻana i ka Thorium maoli a me ka Uranium ma ke ʻano he Radioactive Materials i ka National Standard for Food Safety. | |
| Plutonium-239, plutonium-24 | α spectrometer | Sediments uila | GB 14883.8-2016 Ka hoʻoholo ʻana i nā mea radioactive plutonium-239 a me plutonium-240 i ka National Standard for Food Safety. |
| Iodine-131 | Kiʻekiʻe maʻemaʻe germanium γ spectrometer | GB 14883.9-2016 Ka hoʻoholo ʻana o Iodine-131 i ka meaʻai, National Standard no ka palekana o ka meaʻai. |
paipai huahana
mea ana ana
Helu αβ kumu haʻahaʻa
Brand: mīkini ʻeke
Helu kumu hoʻohālike: RJ 41-4F
Hōʻike huahana:
Flow type low background α, β ana mea hana maʻamau hoʻohana ʻia no nā laʻana kaiapuni, pale radiation, lāʻau lapaʻau a me ke olakino, ʻepekema mahiʻai, lawe mai a hoʻokuʻu aku i nā mea kūʻai aku, ʻimi geological, nuklea mana a me nā māla ʻē aʻe i loko o ka wai, nā mea olaola, aerosol, meaʻai, lāʻau lapaʻau, lepo, pōhaku a me nā mea ʻē aʻe i ka huina α huina β ana.
ʻO ka pale kepau mānoanoa i loko o ka lumi ana e hōʻoiaʻiʻo i ka haʻahaʻa haʻahaʻa, kiʻekiʻe ka ʻike pono no nā haʻawina haʻahaʻa radioactive haʻahaʻa, a hiki ke hoʻopilikino ʻia nā kahawai 2,4,6,8,10.
Kiʻekiʻe-maʻemaʻe germanium γ ikehu spectrometer
Brand: mīkini ʻeke
Helu kumu hoʻohālike: RJ 46
Hōʻike huahana:
ʻO RJ 46 kikohoʻe kiʻekiʻe maʻemaʻe germanium haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa e komo pū ana me ka mea hoʻomaʻemaʻe kiʻekiʻe germanium haʻahaʻa haʻahaʻa haʻahaʻa. Hoʻohana ka spectrometer i ke ʻano helu heluhelu hanana hanana no ka loaʻa ʻana o ka ikehu (amplitude) a me ka ʻike manawa o ka hōʻailona puka o ka HPGe detector a mālama iā ia.
α spectrometer
Brand: mīkini ʻeke
Helu kumu hoʻohālike: RJ 49
Hōʻike huahana:
Alpha ikehu spectroscopy ana 'enehana a me nā mea kani ua hoʻohana nui 'ia i loko o ka kaiapuni a me ke olakino loiloi (e like me thorium aerosol ana, meaʻai inspection, kanaka ola kino, etc.), waiwai 'imi (uranium ore, aila, maoli kinoea, etc.) a me geological structure exploration (e like me ka groundwater resources, geological subsidence) a me na kula.
ʻO RJ 494-channel Alpha spectrometer he mea hana semiconductor PIPS i hoʻomohala kūʻokoʻa e Shanghai Renji Instrument Co., Ltd. ʻO ka spectrometer he ʻehā mau ala α, hiki ke ana ʻia kēlā me kēia mea i ka manawa like, hiki ke hoʻopōkole loa i ke kumukūʻai manawa o ka hoʻokolohua a loaʻa koke nā hopena hoʻokolohua.
Ka helu haʻahaʻa haʻahaʻa wai scintillation counter
Kahua:HIDEX
Helu kumu hoʻohālike: 300SL-L
Hōʻike huahana:
ʻO ka counter scintillation wai kahi ʻano mea hana koʻikoʻi i hoʻohana nui ʻia no ke ana pololei ʻana o ka radioactive α a me β nuclides i loko o ka media wai, e like me radioactive tritium, carbon-14, iodine-129, strontium-90, ruthenium-106 a me nā nuclides ʻē aʻe.
Mea hoʻoponopono wai radium
Kaumaha: PYLON
Hoʻohālike: AB7
Hōʻike huahana:
ʻO ka Pylon AB7 Portable Radiological Monitor ʻo ia ka hanauna hou o nā mea hana hoʻokolohua e hāʻawi ana i ke ana wikiwiki a pololei o ka ʻike radon.
Nā lako kūikawā ʻē aʻe
ʻO ka mea ʻohi ʻana o ka triitium i ka wai
Kaulana: Yi Xing
Helu kumu hoʻohālike: ECTW-1
Hōʻike huahana:
He haʻahaʻa haʻahaʻa ka neʻe ʻana o ka tritium i loko o ka wai kai, ʻoiai ʻaʻole hiki ke ana ʻia nā mea ʻike maikaʻi loa, no laila, pono e hoʻomaʻamaʻa mua ʻia nā laʻana me ka haʻahaʻa haʻahaʻa, ʻo ia hoʻi, ke ʻano electrolysis.ʻO ka ECTW-1 tritium electrolytic collector i hana ʻia e kā mākou hui e hoʻohana nui ʻia no ka electrolytic concentration of tritium i loko o ka wai haʻahaʻa haʻahaʻa, hiki ke hoʻokaʻawale i nā ʻāpana tritium ma lalo o ka palena ʻike o ka pā uila uila a hiki ke ana pololei ʻia.
Organotritium-carbon mea hoʻomākaukau laʻana
Kaulana: Yi Xing
Helu kumu hoʻohālike: OTCS11 / 3
Hōʻike huahana:
ʻO OTCS11 / 3 Organic tritium carbon sampling mea hoʻohana i ke kumu o nā mea laʻana ma lalo o ke kiʻekiʻe o ka wela oxidation combustion i ke kiʻekiʻe wela aerobic kaiapuni e hoʻohua ai i ka wai a me carbon dioxide, e ʻike i ka hana ʻana o ka tritium a me carbon-14 i loko o nā laʻana biological, kūpono no ka mālama ʻana ma hope, wai scintillation counter e ana i ka hana o ka tritium a me carbon-14.
Sediments uila
Kaulana: Yi Xing
Helu kumu hoʻohālike: RWD-02
Hōʻike huahana:
ʻO RWD-02 kahi spectrometer α i hoʻomohala ʻia e Shanghai Yixing Electromechanical Equipment Co., Ltd. ma muli o nā makahiki o ka ʻike hoʻomaʻamaʻa mua. Hoʻolālā ʻia ia no ka hoʻomākaukau ʻana i nā laʻana o ka α energy spectrum analysis, a kūpono ia no ka lāʻau nuklea a me ka noiʻi radioisotope a me ke kahua noi.
ʻO ka α spectrometer kekahi o nā mea pono o ka hale hana hoʻonaʻauao radiation a hiki ke kālailai i nā nuclides me ka palaho α. Inā he mea nui ka loaʻa ʻana o nā hopena analytical pololei, kahi hana koʻikoʻi ka hana ʻana i nā laʻana. RWD-02 electrodeposition er mea maʻalahi i ka hana, e hoʻomaʻamaʻa loa i ke kaʻina hana o ka hāpana hana, hana i ʻelua mau laʻana i ka manawa hoʻokahi a hoʻomaikaʻi i ka pono o ka hoʻomākaukau ʻana.
Ka manawa hoʻouna: ʻOkakopa-31-2023