订购电话:4001650900

Sodium oxalate

Cas:
62-76-0
MDL:
--MFCD00012465
Molecular Formula:
C2Na2O4;NaOOCCOONa
Molecular Weight:
134.00
Alias:
乙二酸钠,草酸二钠盐 Ethanedioic acid sodium salt Oxalic acid disodium salt
Product order:
Name Specifications Packing Price Delivery
Sodium oxalate ACS 500g RMB 148.5 Consulting service
Sodium oxalate GR 500g RMB 129.8 Consulting service
Sodium oxalate CP 500g RMB 107.8 Consulting service
Sodium oxalate AR 500g RMB 91.3 促销
Character:
白色结晶性粉末。无气味。有吸湿性。难溶于水(27份水、16份沸水),不溶于醇和乙醚,其水溶液近中性。有刺激性。
密度:2.34
熔点:250-270℃
Quality Standard:
   
   GB/T 1289-94
项目                                       优级纯      分析纯  
                                            (GR)        (AR)  
含量(C2Na2O4)Assay,%                      ≥99.8        99.8    
pH(50g/L溶液,25℃)pH,%                   ≤7.5-9.5    7.5-8.5    
水不溶物Insiluble matter in water,%       ≤0.005      0.01      
干燥失重Dring loss,%                      ≤0.01       0.02
氯化物(Cl)Chloride,%                      ≤0.001      0.002
硫化合物(以SO4计)Sulfur compounds,%       ≤0.002      0.004
钾(K)Pitassium,%                          ≤0.005      0.01  
铁(Fe)Iron,%                              ≤0.0002     0.0005
重金属(以Pb计)Heavy metals,%              ≤0.001      0.002
易碳化物质Readily carbonizable substances   合格       合格                
总氮量(N)Total nitrogen,%                 ≤0.001      0.002

ACS级
项目名称                                ACS Grade
含量[(COONa)2]Assay                       ≥99.5%
水不溶物Insoluble matter                  ≤0.005%
干燥失重Loss on drying                    ≤0.01%
酸碱度Neutrality                         Passes test
氯化物(Cl)Chloride                        ≤0.002%
铵(NH4)Ammonium                           ≤0.002%
硫酸盐(SO4)Sulfate                        ≤0.002%
重金属(以Pb计)Heavy metals                ≤0.002%
铁(Fe)Iron                                ≤0.001%
钾(K)Potassium                            ≤0.005%
易炭化物质Substances darkened by
hot sulfate acid                         Passes test


≥99.99% (metals basis):

外观Appearance                          白色粉末
红外光谱鉴别Infrared spectrometry       Conforms to Structure
纯度Purity                              ≥99.99% Based On Trace Metals Analysis
草酸盐C2O4                              64.1 - 67.3 % (Titration by KMNO4 )
ICP:                                    Confirms Sodium Component  
痕量金属分析Trace Metal Analysis        ≤100ppm by ICP Atomic emission
(As、Ba、Ca、Fe、Sn)
痕量金属分析Trace Metal Analysis        ≤100.0 ppm by Atomic Absorption
(Li、K、Rb、Cs)

Storage:
密封保存。
用途  分析化学中作为标定高锰酸钾溶液的基准品。焰火黄色发光剂。
联合国编号 
Related Products
上海紫一试剂厂   © 2024 All Rights Reserved      备案号:沪ICP备19037119号-1     
网站地图:
试剂CAS试剂分类试剂产品实验仪器耗材分类实验仪器耗材新闻资讯
   沪公网安备 31012002003055号