12648
硝酸钾
puriss., meets analytical specification of Ph Eur, BP, USP, FCC, E252, 99.0-100.5%
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关于此项目
经验公式（希尔记法）:
KNO3
化学文摘社编号:
分子量:
101.10
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
231-818-8
MDL number:
Assay:
99.0-100.5%
Form:
powder or crystals
InChI key
FGIUAXJPYTZDNR-UHFFFAOYSA-N
InChI
1S/K.NO3/c;2-1(3)4/q+1;-1
SMILES string
[K+].[O-][N+]([O-])=O
grade
puriss.
assay
99.0-100.5%
form
powder or crystals
quality
meets analytical specification of Ph Eur, BP, USP, FCC, E252
impurities
acidity or alkalinity, complies, reducing matter, complies, residual solvents, complies, ≤0.001% heavy metals (as Pb), ≤0.005% ammonium (NH4)
loss
≤0.5% loss on drying, 105 °C
pH
5-8 (20 °C, 5%)
mp
334 °C (lit.)
anion traces
chloride (Cl-): ≤10 mg/kg, nitrite (NO2-): ≤5 mg/kg, sulfate (SO42-): ≤100 mg/kg
cation traces
As: ≤1 mg/kg, Ca: ≤50 mg/kg, Cu: ≤10 mg/kg, Fe: ≤10 mg/kg, Na: ≤1000 mg/kg, Pb: ≤4 mg/kg, Zn: ≤10 mg/kg
suitability
complies for appearance of solution
Quality Level
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General description
硝酸钾是具有菱形晶体的无色钾盐。它是一种氧化剂。在自然界中，它被称为硝石。碳酸钾/氢氧化钾与硝酸反应或硝酸钠与氯化钾反应可制备硝酸钾。1 硝酸铵和氢氧化钾在高温条件下可合成硝酸钾。
硝酸钾可以用作氧化剂，其可以通过硝酸铵和氢氧化钾在高温条件下合成而制备。
硝酸钾可以用作氧化剂，其可以通过硝酸铵和氢氧化钾在高温条件下合成而制备。
Application
硝酸钾可用于以下研究：
- 枪粉、陶瓷、玻璃、印染的制备。1
- 作为烟花中的氧化剂。1
- 亚硝酸钾的制备。1
- 作为牙齿过敏的脱敏剂。
- 作为相变材料，用于制备具有相变行为的纳米流体。
signalword
Warning
hcodes
Hazard Classifications
Ox. Sol. 3
存储类别
5.1B - Oxidizing hazardous materials
flash_point_f
Not applicable
flash_point_c
Not applicable
法规信息
危险化学品
易制爆化学品
此项目有
Kosanke.L.K, et al. et al.
Encyclopedic Dictionary of Pyrotechnics: (and Related Subjects) (2012)
A superior desensitizer--potassium nitrate.
M Hodosh
Journal of the American Dental Association (1939), 88(4), 831-832 (1974-04-01)
Rose A Devasia et al.
The Journal of antimicrobial chemotherapy, 63(6), 1173-1178 (2009-03-31)
The aim of this study was to assess the sensitivity, specificity and time to results of mycobacterial growth indicator tube (MGIT) 960, microscopic observation drug susceptibility (MODS) assay and nitrate reductase assay (NRA) compared with the gold standard agar proportion
Changhong Yao et al.
Bioresource technology, 118, 438-444 (2012-06-22)
Microalgal starch is a potential feedstock for biofuel production. The effects of KNO(3) and MgSO(4) concentrations and light intensity on biomass and starch production by the marine microalga, Tetraselmis subcordiformis, were investigated. Under 200 μmol m(-2) s(-1) irradiance and sulfur-deprived
Jing Huang et al.
Applied and environmental microbiology, 80(1), 29-42 (2013-10-01)
Bacteria play important roles in mineral weathering and soil formation. However, few reports of mineral weathering bacteria inhabiting subsurfaces of soil profiles have been published, raising the question of whether the subsurface weathering bacteria are fundamentally distinct from those in
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