Sodium carbonate decahydrate

MDL：
--MFCD00149178

Molecular Formula：
Na2CO3·10H2O

Molecular Weight：
286.14

Alias：
结晶碳酸钠,冰碱,结晶疏打,十水碳酸钠，洗涤碱 Sodium carbonate crystals Washing soda Nevie Soda

Product order：

Name	Specifications	Packing	Price	Delivery
Sodium carbonate decahydrate	ACS	500g	RMB 35.2	Consulting service
Sodium carbonate decahydrate	AR	500g	RMB 30.8	Consulting service

Character：
无色透明结晶，在空气中易风化，溶于水，不溶于醇，水溶液呈强碱性。
密度：1.46
熔点：34 ºC

Quality Standard：
 
   GB/T 9856-88
项目Item                                 分析纯    化学纯
                                          (AR)      (CP)
含量(Na2CO3.10H2O)Assay,%             ≥  99.0      99.0
澄清度试验Clarity                         合格      合格
水不溶物Insoluble matter in water,%   ≤  0.005     0.01
氯化物(Cl)Chloride,%                  ≤  0.001     0.003
总硫量(以SO4计)Total Sulfate,%        ≤  0.003     0.005
磷酸盐(PO4)Phosphate,%                ≤  0.0005    0.002
硅酸盐(SiO3)Silicate,%                ≤  0.001     0.005
总氮量(N)Total nitrogen,%             ≤  0.0005    0.001
镁(Mg)Magnesium,%                     ≤  0.0003    0.002
铝(Al)Aluminum,%                      ≤  0.0005    0.003
钾(K)Potassium,%                      ≤  0.003     0.01
钙(Ca)Calcium,%                       ≤  0.003     0.008
铁(Fe)Iron,%                          ≤  0.0002    0.0003
重金属(以Pb计)Heavy metals,%          ≤  0.0002    0.0005

ACS级
项目名称　                                          ACS Grade
含量(Na2CO3·H2O)Assay                              ≥99.5%
干燥失重Loss on drying                               13-15%
水不溶物Insoluble matter                            ≤0.01%
氯化物(Cl)Chloride                                  ≤0.001%
磷酸盐(PO4)Phosphate                                ≤5ppm
硅酸盐（以SiO2计)Silica                             ≤0.005%
含硫化合物(以SO4计)Sulfur compounds                 ≤0.004%
重金属(以Pb计)Heavy metals                          ≤5ppm
铁(Fe)Iron                                          ≤5ppm
钙(Ca)Calcium                                       ≤0.03%
镁(Mg)Magnesium                                     ≤0.005%
钾(K)Potassium                                      ≤0.005%

Storage：
密封避光阴凉处保存，夏季防熔化结块。
用途  点滴分析测定锰，铊及碳酸盐，农用培养基。