廊坊天科生物科技有限公司
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廊坊天科生物科技有限公司

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【天科】 碳酸钙 碳酸钙厂家

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买卖通会员4

  • 商家等级:
  • 买卖通指数:
  • 所在地区:

    河北省 廊坊市

  • 认证信息:
  • 经营证照:
基本参数
  • 用途范围

    工业级

  • 执行标准

    国标

  • CAS

    471-34-1

  • 品牌

    天科

  • 规格及用途

    活性碳酸钙

详细说明

    

     

     碳酸钙

    分子式:CaCO3

    分子量:100.09

    CAS NO: 471-34-1

    【性状】白色粉末或无色结晶。相对密度2.930。825℃分解为氯化钙和二氧化碳。不溶于水,溶于酸。

    【用途】用作分析试剂,如做基准试剂。发射光谱分析中样品助溶剂等。

    【标准】杂质**含量以百分含量计 

    

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
                    

                                              规格                     

                    

                        指标名称                     

                
                    

                        分析纯-AR                     

                
                    

                        化学纯-CP                     

                
                    

                        含量                     

                
                    

                        ≥99.0                     

                
                    

                        ≥98.0                     

                
                    

                        澄清度试验                     

                
                    

                        合格                     

                
                    

                        合格                     

                
                    

                        盐酸不溶物                     

                
                    

                        ≤0.01                     

                
                    

                        ≤0.03                     

                
                    

                        碱度                     

                
                    

                        ≤0.25                     

                
                    

                        ≤0.25                     

                
                    

                        氯化物(Cl)                     

                
                    

                        ≤0.002                     

                
                    

                        ≤0.01                     

                
                    

                        硫酸盐(SO4                     

                
                    

                        ≤0.01                     

                
                    

                        ≤0.05                     

                
                    

                        钠(Na)                     

                
                    

                        ≤0.1                     

                
                    

                        ≤0.3                     

                
                    

                        钾(K)                     

                
                    

                        ≤0.005                     

                
                    

                        ≤0.05                     

                
                    

                        镁(Mg)                     

                
                    

                        ≤0.05                     

                
                    

                        ≤0.20                     

                
                    

                        锶(Sr)                     

                
                    

                        ≤0.05                     

                
                    

                        ≤0.10                     

                
                    

                        钡(Ba)                     

                
                    

                        ≤0.02                     

                
                    

                        ≤0.04                     

                
                    

                        铁(Fe)                     

                
                    

                        ≤0.001                     

                
                    

                        ≤0.005                     

                
                    

                        重金属(以Pb计)                     

                
                    

                        ≤0.001                     

                
                    

                        ≤0.005                     

                

    【包装】内塑外编、牛皮纸袋或纸板桶,净重25kg。

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