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Merck
CN

60414

硝酸钾

BioUltra, ≥99.5% (T)

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经验公式(希尔记法):
KNO3
化学文摘社编号:
分子量:
101.10
UNSPSC Code:
12352200
PubChem Substance ID:
EC Number:
231-818-8
MDL number:
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InChI key

FGIUAXJPYTZDNR-UHFFFAOYSA-N

InChI

1S/K.NO3/c;2-1(3)4/q+1;-1

SMILES string

[K+].[O-][N+]([O-])=O

product line

BioUltra

assay

≥99.5% (T)

impurities

insoluble matter, passes filter test

loss

≤0.1% loss on drying, 110 °C

pH

5.0-8.0 (25 °C, 1 M in H2O)

mp

334 °C (lit.)

solubility

H2O: 1 M at 20 °C, clear, colorless

anion traces

chloride (Cl-): ≤10 mg/kg, iodate (IO3-): ≤5 mg/kg, nitrite (NO2-): ≤10 mg/kg, phosphate (PO43-): ≤5 mg/kg, sulfate (SO42-): ≤20 mg/kg

cation traces

Al: ≤5 mg/kg, As: ≤0.1 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤50 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤2 mg/kg, Li: ≤5 mg/kg, Mg: ≤50 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, NH4+: ≤10 mg/kg, Na: ≤50 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg

absorption

cut-off at 328 nm in H2O at 1 M

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Other Notes

Substrate for the assay of nitrate reductase; Component of media for testing bacterial nitrate reduction.

pictograms

Flame over circle

signalword

Warning

hcodes

Hazard Classifications

Ox. Sol. 3

存储类别

5.1B - Oxidizing hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges

法规信息

易制爆化学品
危险化学品
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分析证书(COA)

Lot/Batch Number

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Isolation and characterization of nitrate reductase from Escherichia coli.
C H MacGregor
Methods in enzymology, 53, 347-355 (1978-01-01)
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
Mila Ivanova Luleva et al.
Sensors (Basel, Switzerland), 11(4), 4188-4206 (2011-12-14)
Displacement of soil particles caused by erosion influences soil condition and fertility. To date, the cesium 137 isotope ((137)Cs) technique is most commonly used for soil particle tracing. However when large areas are considered, the expensive soil sampling and analysis

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