page_banner

huahana

ʻO nā mea kūʻai kūʻai nui maikaʻi Kina o Chromic Acid Flakes

wehewehe pōkole:

ʻO ka waika Chromic ka hopena hoʻomaʻemaʻe maʻamau i hoʻohana ʻia ma ka hale hana.Loaʻa iā ia ka acidity a me ka oxidizability.Hiki iā ia ke wehe i ka lepo a me nā mea hiki ʻole ke hoʻololi ʻia ma nā paia o loko a me waho o nā mea hoʻokolohua.


Huahana Huahana

Huahana Huahana

Nā kikoʻī

Kūlana:CrO3
ʻAno:ʻO nā ʻāpana ʻulaʻula brownish, hiki ke hoʻoheheʻe ʻia i ka wai a me ka etera, ʻona.
Hoʻohana:Uila-plating, polishing, chrome-metal production, pigment, lāʻau lapaʻau, catalyst, oxidant, mālama lāʻau, maka-mea o ka crome oxide, etc.
Pūʻolo:ma UN i aponoia pahu hao o 50kg a 250kg upena pakahi.
Nā kūlana hoʻokō:GB1610-1999?

Nā mea

Nā kikoʻī

Papa A

Papa B

Papa C

CrO3%≥

99.7

99.5

99.0

Mea hiki ʻole ke hoʻoheheʻe wai%≤

0.02

0.05

0.10

Sulphate%≤

0.06

0.15

0.30

Na%≤

0.05

-

-

ʻano kālailai

Ka hoʻoholo ʻana o ka ʻakika chromic i loko o ka ea: ua ʻohi ʻia ka hāpana e kānana, hoʻoheheʻe ʻia i ka waikawa sulfuric, a laila hoʻoholo ʻia e ka Colorimetry (NIOSH method) ma hope o ka hoʻohui ʻana i ka diphenylcarbazide.

Ka hoʻoholo ʻana o ka ʻakika chromic i loko o ka wai: lawe ʻia ka hāpana a hoʻoholo ʻia e ka atomic absorption spectrometry a i ʻole colorimetry.

ʻO ke ala hoʻolei ʻōpala: ma hope o ka hoʻohaʻahaʻa ʻana i ke kemika, ua hoʻololi ʻia ka wai ʻōpala chromic acid concentrated i trivalent chromium, a ua hoʻoponopono ʻia ka pH waiwai o ka hopena e hana i ka ua, a hoʻopaʻa ʻia ka sediment e like me ka ʻōpala kemika.

Ke kumu

ʻO ka waika Chromic ka hopena hoʻomaʻemaʻe maʻamau i hoʻohana ʻia ma ka hale hana.Loaʻa iā ia ka acidity a me ka oxidizability.Hiki iā ia ke wehe i ka lepo a me nā mea hiki ʻole ke hoʻololi ʻia ma nā paia o loko a me waho o nā mea hoʻokolohua.ʻO ka maʻamau, loaʻa ka hopena holoi ma ka hoʻohui ʻana i ka potassium dichromate i loko o ka waikawa sulfuric concentrated, akā ʻo ka hexavalent chromium he mea pōʻino i ke kaiapuni, a i kekahi manawa e hōʻino ʻia ka mea hana i ka ʻakika ikaika, no laila ua hoʻemi ʻia ka hoʻohana ʻana i ka wai holoi holoi chromic.

Hiki ke hoʻohana ʻia ka chromic acid ma ke ʻano he oxidant.Hiki ke hoʻokahe ʻia nā mea hoʻohuihui he nui e ka chromic acid, a ua hoʻomohala ʻia ka nui o nā oxidants chromium hexavalent.ʻO Jones reagent: ka hoʻonā wai o ka waikawa chromic, ka waikawa sulfuric a me ka acetone, hiki ke hoʻoneʻe i nā ʻawaʻawa kumu a me ka lua i nā ʻakika carboxylic a me nā ketone me ka ʻole o ka pili ʻana i nā mea paʻa ʻole.Pyridinium chlorochromate: hoʻomākaukau ʻia mai ka chromium trioxide a me ka pyridine hydrochloride, hiki ke hoʻohemo i ka waiʻona mua i ka aldehyde.Collins reagent: hoʻohui i ka chromium trioxide a me ka pyridine.

Hiki ke hoʻohana ʻia ka waikawa Chromic no ka chromium plating, high-purity metal chromium, pigment, mordant, lāʻau lapaʻau a me ka hui lanahu, a me ka hana ʻana i kekahi mau aniani a me ke aniani kala.


  • Mua:
  • Aʻe:

  • Kākau i kāu leka ma aneʻi a hoʻouna mai iā mākou