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.
Hō-miâ | |
---|---|
Kî-tha hō-miâ Zinc white, calamine, philosopher's wool, Chinese white, flowers of zinc | |
Sek-pia̍t-hō] | |
CAS Number | |
ChEBI | |
ChEMBL | |
ChemSpider | |
ECHA InfoCard | 100.013.839 |
EC Number | 215-222-5 |
PubChem CID | |
RTECS number | ZH4810000 |
InChI
| |
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) |
Tī chúi ê iûⁿ-kái-tō͘ | 0.0004% (17.8°C)[1] |
Band gap | 3.3 eV (direct) |
Chû-hòa-lu̍t (χ) | −46.0·10−6 cm3/mol |
Khut-chiat-lu̍t (nD) | 2.0041 |
Kò͘-chō | |
Kiat-chiⁿ kò͘-chō | Wurtzite |
Space group | C6v4-P63mc |
Keh-á tēng-sò͘ | a = 3.25 Å, c = 5.2 Å |
Phòe-ūi kí-hô | Tetrahedral |
Jia̍t-hòa-ha̍k | |
Piau-chún mole entropy (S | 43.9 J·K−1mol−1 |
Piau-chún hêng-sêng enthalpy (ΔfH | -348.0 kJ/mol |
Io̍h-lí-ha̍k | |
ATCvet code | QA07XA91 (WHO) |
Gûi-hiám | |
An-choân chu-liāu-toaⁿ | ICSC 0208 |
EU hun-lūi-hoat (DSD) (kòe-sî) | Dangerous for the environment (N) |
R-phrases (kòe-sî) | R50/53 |
S-phrases (kòe-sî) | S60, S61 |
NFPA 704 | 1 2 0 |
Ín-hóe-tiám | 1,436 °C (2,617 °F; 1,709 K) |
Lethal dose or concentration (LD, LC): | |
LD50 (median dose) | 240 mg/kg (intraperitoneal, rat)[3] 7950 mg/kg (rat, oral)[4] |
LC50 (median concentration) | 2500 mg/m3 (mouse)[4] |
LCLo (lowest published) | 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 |
Kî-tha iông-lî-chú | 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). | |
cha-chèng ( 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
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