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訂購電話:4001650900

Cadmium bromide

Molecular Structure:
MDL:
MFCD00150204
Molecular Formula:
CdBr2·4H2O
Molecular Weight:
344.28
Alias:
四水合溴化鎘
Product order:
Name Specifications Packing Price Delivery
Cadmium bromide AR 100g RMB 22 Consulting service
Cadmium bromide CP 100g RMB 22 Consulting service
Character:
無水物黃色珍珠光澤片狀結(jié)晶。易溶于熱水。溶于冷水、乙醇、鹽酸。微溶于丙酮、乙醚。四水合物為白色針狀結(jié)晶。極易溶于熱水,溶于冷水、丙酮、乙醇。微溶于乙醚。干燥空氣中易風(fēng)化。 久置或見光漸變黃色。有毒。有致癌可能性。四水合物加熱至37℃時失去3分子結(jié)晶水轉(zhuǎn)變?yōu)橐凰衔铩?BR>密度:5.192
熔點:567℃
沸點:863℃。
Quality Standard:
Q/(HG)SJ 132-91
項目Item                        分析純    化學(xué)純
                                          (AR)        (CP)
含量(CdBr2·4H2O)Assay,%           99.0~101.0   99.0~101.5
水不溶物Insoluble,%                     ≤ 0.005      0.01    
游離酸Free acids                           合格       合格      
氯化物(Cl)Chloride,%                    ≤ 0.2        0.4
硫酸鹽(SO4)Sulfate,%                    ≤ 0.005      0.01
銨鹽(NH4)Ammonium salt,%                ≤ 0.005      0.005
鋁(Al)Aluminum,%                        ≤ 0.05       0.1
鐵(Fe)Iron,%                            ≤ 0.001      0.002
銅(Cu))Copper,%                       ≤ 0.002      0.002      
鋅(Zn)Zinc,%                            ≤ 0.01       0.02
鉛(Pb)Lead,%                            ≤ 0.005      0.005
硫化銨不沉淀物Substances not preci-
pitated by ammonium sulfide,%           ≤ 0.2         0.4
Storage:
密封避光保存。
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