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质量水平
Agency
suitable for SM 4500 - NH3
蒸汽密度
>1 (vs air)
蒸汽压
<18 mmHg ( 20 °C)
3 mmHg ( 37 °C)
产品线
EMSURE®
方案
≥99% NaOH basis (acidimetric)
表单
pellets
杂质
≤0.0003% Total nitrogen (N)
pH值(酸碱度)
>14 (20 °C, 100 g/L in H2O)
mp
318 °C (lit.)
溶解性
1090 g/L
密度
2.13 g/cm3 at 20 °C
痕量阴离子
carbonate (as Na2CO3): ≤1%
chloride (Cl-): ≤0.012%
phosphate (PO43-): ≤0.0005%
silicate (as SiO2): ≤0.001%
sulfate (SO42-): ≤0.010%
痕量阳离子
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%
储存温度
2-30°C
SMILES字符串
[OH-].[Na+]
InChI
1S/Na.H2O/h;1H2/q+1;/p-1
InChI key
HEMHJVSKTPXQMS-UHFFFAOYSA-M
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一般描述
应用
- 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。
分析说明
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 %
法律信息
警示用语:
Danger
危险声明
危险分类
Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A
储存分类代码
8A - Combustible corrosive hazardous materials
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
法规信息
商品
EMSURE® Grade Inorganic Solvents and Reagents offer exceptional purity and quality control, ensuring reliable, compliant results for regulated analyses.
实验方案
Photometric determination of ammonium ions in drinking and surface water samples by indophenol blue method using Spectroquant® test kits and spectrophotometer.
Photometric determination with Chromazurole S subsequent to fusion melting
相关内容
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