Wikipedia

Sng-hòa a-iân

Sng-hòa a-iân (Eng-gí: zinc oxide) sī chi̍t khoán hòa-ha̍k-sek ZnO ê bû-ki hòa-ha̍p-bu̍t. Pún bu̍t-chit sī bē iûⁿ-kái tī chúi lāi ê pe̍h-hún, tiāⁿ lī-ēng chò ka-thiam-bu̍t thàu tī kok khoán châi-liāu ê sán-phín, chhan-chhiūⁿ chhiū-ni, sok-ka, hûi-khì, po-lê, âng-bûn-thô͘, jūn-ku̍t-che, chhat-liāu, ko-io̍h (ointment), liâm-che, hong-che (sealants), gân-liāu, chia̍h-mi̍h, tiān-tî, khip-chio̍h hûi (ferrites), phah-hóe-che (fire retardant) kap kiù-siong theh-puh tt.

Sng-hòa a-iân
Hō-miâ
Kî-tha hō-miâ
Zinc white, calamine, philosopher's wool, Chinese white, flowers of zinc
Sek-pia̍t-hō]
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.013.839
EC Number 215-222-5
RTECS number ZH4810000
Sèng-chit
ZnO
Mole chit-liōng 81.38 g/mol
Gōa-māu Pe̍h-sek kò͘-thé
Khì-bī Bû-khì-bī
Bi̍t-tō͘ 5.606 g/cm3
Iûⁿ-tiám 1,975 °C (3,587 °F; 2,248 K) (decomposes)[2]
Hut-tiám 1,975 °C (3,587 °F; 2,248 K) (decomposes)
0.0004% (17.8°C)[1]
Band gap 3.3 eV (direct)
−46.0·10−6 cm3/mol
2.0041
Kò͘-chō
Wurtzite
C6v4-P63mc
a = 3.25 Å, c = 5.2 Å
Tetrahedral
Jia̍t-hòa-ha̍k
43.9 J·K−1mol−1
-348.0 kJ/mol
Io̍h-lí-ha̍k
QA07XA91 (WHO)
Gûi-hiám
An-choân chu-liāu-toaⁿ ICSC 0208
Dangerous for the environment (N)
R-phrases (kòe-sî) R50/53
S-phrases (kòe-sî) S60, S61
NFPA 704
NFPA 704 four-colored diamondFlammability code 1: Must be pre-heated before ignition can occur. Flash point over 93 °C (200 °F). E.g., canola oilHealth code 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g., chloroformReactivity code 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g., liquid nitrogenSpecial hazards (white): no code
1
2
0
Ín-hóe-tiám 1,436 °C (2,617 °F; 1,709 K)
Lethal dose or concentration (LD, LC):
240 mg/kg (intraperitoneal, rat)[3]
7950 mg/kg (rat, oral)[4]
2500 mg/m3 (mouse)[4]
2500 mg/m3 (guinea pig, 3–4 hr)[4]
Bí-kok kiān-hong pī-pha̍k chè-hān (NIOSH):
PEL (Ē-thong-kòe)
 TWA 5 mg/m3 (fume) TWA 15 mg/m3 (total dust) TWA 5 mg/m3 (resp dust)[1]
REL (Chhui-chiàn)
 Dust: TWA 5 mg/m3 C 15 mg/m3

Fume: TWA 5 mg/m3 ST 10 mg/m3[1]

IDLH (Chek-sî gûi-hiám)
 500 mg/m3[1]
Koan-liân hòa-ha̍p-bu̍t
Kî-tha im-lî-chú
 Liû-hòa a-iân
Selenium-hòa a-iân
Tellurium-hòa a-iân
Sng-hòa cadmium
Sng-hòa chúi-gîn(II)
Tû-liáu te̍k-pia̍t chí chhut, chu-liāu sī kun-kù bu̍t-chit ê piau-chún chōng-thài (tī 25 °C [77 °F], 100 kPa).
☒N cha-chèng (☑Y☒N sī siáⁿ ?)
Infobox chham-chiàu

Sui-bóng chu-jiân-kài mā ū, it-poaⁿ sán-gia̍p lī-ēng ê sng-hòa a-iân sī ha̍p-sêng--ê.

Chham-chiàu

siu-kái
  1. ↑ 1.0 1.1 1.2 1.3 "NIOSH Pocket Guide to Chemical Hazards #0675". National Institute for Occupational Safety and Health (NIOSH). 
  2. ↑ Takahashi, Kiyoshi; Yoshikawa, Akihiko; Sandhu, Adarsh (2007). Wide bandgap semiconductors: fundamental properties and modern photonic and electronic devices. Springer. p. 357. ISBN 3-540-47234-7. 
  3. ↑ Zinc oxide. Chem.sis.nlm.nih.gov. Retrieved on 2015-11-17.
  4. ↑ 4.0 4.1 4.2 "Zinc oxide". Immediately Dangerous to Life and Health Concentrations (IDLH). National Institute for Occupational Safety and Health (NIOSH). 
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