30314
碘酸钾
puriss. p.a., 99.7-100.4%
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关于此项目
线性分子式:
KIO3
化学文摘社编号:
分子量:
214.00
UNSPSC Code:
12352302
PubChem Substance ID:
EC Number:
231-831-9
MDL number:
Assay:
99.7-100.4%
Form:
solid
InChI key
JLKDVMWYMMLWTI-UHFFFAOYSA-M
InChI
1S/HIO3.K/c2-1(3)4;/h(H,2,3,4);/q;+1/p-1
SMILES string
[K+].[O-]I(=O)=O
grade
puriss. p.a.
assay
99.7-100.4%
form
solid
impurities
≤0.002% total nitrogen (N)
loss
≤0.05% loss on drying, 130 °C
pH
5.0-8.0 (25 °C, 5%)
mp
560 °C (lit.)
density
3.93 g/mL at 25 °C (lit.)
anion traces
bromide, bromate, chloride, chlorate (as Cl-): ≤100 mg/kg, iodide (I-): ≤10 mg/kg, sulfate (SO42-): ≤50 mg/kg
cation traces
Cu: ≤5 mg/kg, Fe: ≤10 mg/kg, Na: ≤50 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg
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General description
Potassium iodate (KIO3) is a colorless solid having monoclinic crystal system. KI solution undergoes anodic oxidation to afford KIO3. KIO3 has strong oxidizing properties. It has been proposed as a promising corrosion inhibitor for carbon steel.
Application
Potassium iodate (KIO3) may be employed in the following studies:
- As primary standard reagent for the volumetric estimations.
- Quantification of hydrolyzable tannins, such as gallotannins and ellagitannins.
- Winkler method for the estimation of dissolved oxygen.
- As a co-inhibitor along with sodium tungstate for prevention of corrosion in carbon steel.
signalword
Danger
存储类别
5.1B - Oxidizing hazardous materials
wgk
WGK 1
flash_point_f
does not flash
flash_point_c
does not flash
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Irrit. 2 - Ox. Sol. 2 - Repr. 2
法规信息
新产品
此项目有
Eagleson M.
Concise Encyclopedia Chemistry, 889-889 (1994)
Co-inhibition characteristics of sodium tungstate with potassium iodate on mild steel corrosion.
Shibli SMA and Saji VS.
Corrosion Science, 47(9), 2213-2224 (2005)
Paul W Hartzfeld et al.
Journal of agricultural and food chemistry, 50(7), 1785-1790 (2002-03-21)
A widely used method for analyzing hydrolyzable tannins afer reaction with KIO(3) has been modified to include a methanolysis step followed by oxidation with KIO(3). In the new method, hydrolyzable tannins (gallotannins and ellagitannins) are reacted at 85 degrees C
The Chesapeake Bay Institute technique for the Winkler dissolved oxygen method.
Carpenter JH.
Limnology and Oceanography, 10(1), 141-143 (1965)
Tatsuya Kawai et al.
Academic radiology, 18(6), 682-689 (2011-03-12)
Evaluation of contrast enhancement of pulmonary lesions with ground-glass attenuation (GGA) is difficult with conventional techniques but might be possible using contrast-mapping images (CMIs) obtained by dual-energy computed tomography. To address this issue, a phantom study was conducted, and this
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