791768
无水碳酸钠
anhydrous, free-flowing, Redi-Dri™, ACS reagent, ≥99.5%
别名:
碳酸二钠盐, 纯碱, 苏打灰：
登录 查看组织和合同定价。
选择尺寸
变更视图
关于此项目
线性分子式:
Na2CO3
化学文摘社编号:
分子量:
105.99
EC Number:
207-838-8
UNSPSC Code:
12352302
NACRES:
NA.21
Beilstein/REAXYS Number:
4154566
MDL number:
eCl@ss:
38020205
Assay:
≥99.5%
Grade:
ACS reagent, anhydrous
Form:
powder
Quality Segment
grade
ACS reagent, anhydrous
agency
suitable for EPA 300
product line
Redi-Dri™
assay
≥99.5%
form
powder
quality
free-flowing
impurities
≤0.005% silica, ≤0.01% insolubles
loss
≤1.0% loss on heating
pH
12 (25 °C, 106 g/L)
mp
851 °C (lit.)
anion traces
chloride (Cl-): ≤0.001%, phosphate (PO43-): ≤0.001%, sulfur compounds (as SO42-): ≤0.003%
cation traces
Ca: ≤0.03%, Fe: ≤5 ppm, K: ≤0.005%, Mg: ≤0.005%, heavy metals: ≤5 ppm (by ICP-OES)
application(s)
PFAS testing
SMILES string
O=C(O[Na])O[Na]
InChI
1S/CH2O3.2Na/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2
InChI key
CDBYLPFSWZWCQE-UHFFFAOYSA-L
Application
- 碳存在下NaOH的反硝化机理。：探讨了碳酸钠与其他化学物质在环境应用中的相互作用，特别关注了对水处理至关重要的反硝化过程（Li et al., 2005）。
- 毛细管电泳法测定地热卤水中溶解二氧化硅浓度的评估。：讨论了碳酸钠在改变毛细管电泳样品pH值方面的作用，这对于准确测定复杂地热流体中的二氧化硅至关重要（Santoyo et al., 2005）。
Biochem/physiol Actions
缓冲液成分，可用于去除外周膜蛋白。
Legal Information
Redi-Dri is a trademark of Sigma-Aldrich Co. LLC
Still not finding the right product?
Explore all of our products under 无水碳酸钠
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2
存储类别
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable