Nūhou ʻoihana
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Auē! 8 make a 26 ʻeha! I ka makahiki 2021, he 10 mau ulia pōpilikia ma nā ʻoihana kemika!
Ua hoʻokipa ʻia ma ka haukapila ma ka liʻiliʻi he ʻehiku mau limahana ma hope o ka liki ʻana o ka hydrogen sulfide ma kahi hale hana kemika ma Maharashtra, India, ma Ianuali 21. Ua hana ʻia kahi ulia kano kalapona monoxide i ka hola 3:26 am ma Ianuali 19 ma ka Ruifeng Coal Mine ma Xingxing Township o Dafang County, Guizhou Province. Ma ka hola 12:44 ma Ianuali...E heluhelu hou aku -
Nā kikoʻī e pili ana i ka 1,3-Dichlorobenzene a me ke ʻano hana synthesis CAS:541-73-1
He wai kala ʻole ka 1,3-Dichlorobenzene me kahi ʻala ʻawaʻawa. ʻAʻole hiki ke hoʻoheheʻe ʻia i ka wai, hiki ke hoʻoheheʻe ʻia i ka waiʻona a me ka ether. He mea ʻawahia i ke kino kanaka, hoʻonāukiuki i nā maka a me ka ʻili. He mea lapalapa a hiki ke hana i nā hopena chlorination, nitration, sulfonation, a me hydrolysis. Hana ikaika ia me ka alumini a me ...E heluhelu hou aku -
E noiʻi i 1,489! Hoʻopaʻi nui ke aupuni i ka hana kū ʻole i ke kānāwai, ka mālama ʻana i nā hana kemika weliweli!
E huki hohonu i nā haʻawina mai nā ulia a paipai i ka hana hoʻoponopono palekana o nā mea kemika weliweli i hana ʻia i ʻekolu mau makahiki, i ʻAukake 2020, ua hoʻopuka ke komite e ka hoʻonā o ka ʻAha Mokuʻāina, i hoʻolaha ʻia i loko o kahi hoʻoponopono "kemika liʻiliʻi" kū ʻole i ka ʻāina holoʻokoʻa i hoʻokahi makahiki.E heluhelu hou aku -
ʻO ka hana organik waena-2,5-Dichlorotoluene
Inoa Pelekania: 2,5-Dichlorotoluene ʻŌlelo Pelekane i kapa ʻia: Benzene, 1,4-dichloro-2-methyl-; NSC 86117; Toluene, 2,5-dichloro- (8CI); 1,4-dichloro-2-methylbenzene MDL: MFCD00000609 Helu CAS: 19398-61-9 ʻAno molekala: C7H6Cl2 Kaumaha molekala: 161.0285 ʻIkepili kino: 1. Nā waiwai: ʻaʻohe kala kūlike ʻole fl...E heluhelu hou aku -
Nā kikoʻī e pili ana i ka waikawa Bon 92-70-6
Inoa: 3-Hydroxy-2-naphthoic acid Alias: CI Developer 20; CI Developer 20 (Obs.); CI Developer 8; 3-Hydroxy-2-naphthalenecarboxylic acid; Bon Acid; beta-oxynaphthoic acid; 2,3-Bon Acid; Refined Bon Acid; 2-Hydroxy-3-Naphthalene Carboxylic acid; 3-Hydroxy-2-Naphthslene Carboxylic acid; 3-Hydroxy-2...E heluhelu hou aku -
No ke aha i maikaʻi ʻole ai ka paʻa ʻana o ke kala?
Pehea e hoʻomaikaʻi ai i ka paʻa o ka hoʻoluʻu ʻana o nā lole i paʻi ʻia a hoʻoluʻu ʻia e hoʻokō ai i ke koi nui o ka mākeke lole i lilo i kumuhana noiʻi i ka ʻoihana paʻi a me ka hoʻoluʻu ʻana. Ma ke ʻano kūikawā, ʻo ka paʻa māmā o nā dyes reactive i nā lole kala māmā, ka paʻa pulu o ka ʻeleʻele a me ka d...E heluhelu hou aku -
Ke kumu o ke ahulau! Ua hoʻolaha ka nui o nā ʻoihana kemika e hoʻōki lākou i ka lawe ʻana i nā kauoha! Ua hoʻōki ʻia ka laina ukana holoʻokoʻa, a he pilikia ka lako o nā mea maka!
Ua hoʻōki ka nui o nā ʻoihana kemika i ka lawe ʻana i nā kauoha! E ʻoluʻolu e hoʻopiha mua i nā mea kūʻai aku! Mai ka lā Makahiki Hou, ua hoʻouna pinepine nā ʻoihana kemika like ʻole i nā leka e haʻalele mua, a hoʻomanaʻo i nā mea kūʻai aku e kau i nā kauoha ma mua e hoʻomākaukau iā lākou e pale aku i ka hoʻopilikia ʻana i ka hana maʻamau a me nā hana....E heluhelu hou aku -
Kumukūʻai Hale Hana Kiʻekiʻe Maʻemaʻe N,N-dimethylaniline/99% CAS 121-69-7
Kumukūʻai Hale Hana Kiʻekiʻe N,N-dimethylaniline/99% CAS 121-69-7 ʻOihana Mit-ivy Kumukūʻai hale hana kiʻekiʻe N,N-Dimethylaniline no ka synthesis. CAS 121-69-7, EC Number 204-493-5, kemika C8H11N Kūʻai wela !! Mea Hana Kina n,n-dimethylaniline CAS NO. 121-69-7 ma ka waihona nui Whatsapp/w...E heluhelu hou aku -
Ua piʻi aʻe he 344%! Ua piʻi nā kumukūʻai ukana i kahi kiʻekiʻe hou! "He wela nā pahu hakahaka!"
Ma lalo o ka mana o ke ahulau, ua ʻike ke kālepa haole i ka makahiki 2020 i kahi ʻano o ka emi mua ʻana a laila piʻi. Ua lohi ke kālepa haole i ka hapa mua o ka makahiki, akā ua piʻi koke i ka hapa lua o ka makahiki, e hōʻea ana i kahi kūlana wela, e ʻoi aku ana ma mua o ka manaʻolana o ka mākeke. ʻO ka ipu ma o...E heluhelu hou aku -
Hoʻomaopopo! ! !Ua hoʻokō kūhelu ʻia nā lula hou no ka nānā ʻana a me ka nānā ʻana i ka lawe mai a me ka hoʻokuʻu aku i nā kemika weliweli.
Ma Dekemaba 18, 2020, ua hoʻopuka ka ʻOihana Hoʻokele o nā Dute i ka "Hoʻolaha no nā pilikia e pili ana i ka nānā ʻana a me ka nānā ʻana i ka lawe ʻana mai a me ka lawe ʻana aku i nā kemika weliweli a me kā lākou ʻōpala" (Hoʻolaha Helu 129 o 2020 o ka ʻOihana Hoʻokele o nā Dute). ʻO ka hoʻolaha...E heluhelu hou aku -
Hoʻololi ka hoʻohou huahana, e mālama, hiki iā ʻoe ke loaʻa mau iaʻu ke pono ʻoe!
Huahana CAS 2-Naphthol 135-19-3 ʻAkika maikaʻi 92-70-6 2,5-Dichlorotoluene 19398-61-9 2,3-Dichlorobenzaldehyde 6334-18-5 2′,4′-Dichloroacetophenone 2234-16-4 2,4-Dichlorobenzyl alcohol 1777-82-8 3,4′-Dichlorodiphenyl ether 6842-62-2 “1,3-Dichlorobenzene MDCB” 541-73-1 pT...E heluhelu hou aku -
E hoʻomaopopo iā ʻoe i ka 1,3-Dichlorobenzene MDCB
He wai kala ʻole ka 1,3-Dichlorobenzene me kahi ʻala ʻawaʻawa. ʻAʻole hiki ke hoʻoheheʻe ʻia i ka wai, hiki ke hoʻoheheʻe ʻia i ka waiʻona a me ka ether. ʻAi ʻawahia i ke kino kanaka, hoʻonāukiuki i nā maka a me ka ʻili. He mea hiki ke puhi ʻia a hiki ke hana i nā hopena chlorination, nitrification, sulfonation, a me hydrolysis. Hana ikaika ia me ka alumini...E heluhelu hou aku