产品名称
氢氧化钠, pellets for analysis EMSURE®
InChI
1S/Na.H2O/h;1H2/q+1;/p-1
SMILES string
[OH-].[Na+]
InChI key
HEMHJVSKTPXQMS-UHFFFAOYSA-M
agency
suitable for SM 4500 - NH3
vapor density
>1 (vs air)
vapor pressure
<18 mmHg ( 20 °C)
3 mmHg ( 37 °C)
product line
EMSURE®
assay
≥99% NaOH basis (acidimetric)
form
pellets
impurities
≤0.0003% Total nitrogen (N)
pH
>14 (20 °C, 100 g/L in H2O)
mp
318 °C (lit.)
solubility
1090 g/L
density
2.13 g/cm3 at 20 °C
anion traces
carbonate (as Na2CO3): ≤1%
chloride (Cl-): ≤0.012%
phosphate (PO43-): ≤0.0005%
silicate (as SiO2): ≤0.001%
sulfate (SO42-): ≤0.010%
cation traces
Al: ≤0.0005%
As: ≤0.0001%
Ca: ≤0.0005%
Cu: ≤0.0002%
Fe: ≤0.0005%
K: ≤0.05%
Mg: ≤0.0005%
Ni: ≤0.00025%
Pb: ≤0.0005%
Zn: ≤0.001%
heavy metals (as Pb): ≤0.0005%
storage temp.
2-30°C
Quality Level
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Analysis Note
碳酸盐(以 Na₂CO₃ 计): ≤ 1.0 %
氯化物(Cl): ≤ 0.012 %
磷酸盐(PO₄): ≤ 0.0005%
硅酸盐(SiO₂): ≤ 0.001 %
硫酸盐(SO₄): ≤ 0.010 %
总氮(N): ≤ 0.0003 %
重金属(以铅计): ≤ 0.0005 %
Al(铝): ≤ 0.0005 %
As(砷): ≤ 0.0001 %
Ca(钙): ≤ 0.0005 %
Cu(铜): ≤ 0.0002 %
Fe(铁): ≤ 0.0005%
K(钾): ≤ 0.05
Mg(镁): ≤ 0.0005 %
Ni(镍): ≤ 0.00025 %
Pb(铅): ≤ 0.0005 %
Zn(锌): ≤ 0.001 %
Application
- 脱质子剂,以合成沸石咪唑骨架(ZIF-94)的纳米颗粒。
- 沉淀剂,以使用硝酸镍合成NiO(氧化镍)纳米颗粒。
- pH控制剂,以采用硝酸锌和硝酸铬通过水热法合成氧化铬锌(ZnCr2O4)粉末。
General description
Legal Information
signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A
存储类别
8A - Combustible corrosive hazardous materials
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
法规信息
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相关内容
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