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Q/(HG)SJ 734-1997
项目Item                                                                 分析纯(AR)           化学纯(CP)
含量(CH₂COOH)₂Assay,%                                         ≥ 99.5                  99.0
熔点范围Melting range,℃                                          184.0-187.0(1.5)    183.0-187.0(2)
澄清度试验Clarity                                                      合格                   合格
水不溶物Insoluble matter in water,%                         ≤ 0.002                  0.005
灼烧残渣(以硫酸盐计)Ignition residue,%                    ≤ 0.01                   0.02
氯化物(Cl)Chloride,%                                                 ≤ 0.0005                0.001
硫酸盐(SO₄)Sulfate,%　                                            ≤ 0.002                  0.005
总氮量(N)Total nitrogen,%                                         ≤ 0.002                  0.005
磷酸盐(PO₄)Phosphate,%                                          ≤ 0.001                  0.002
铁（Fe)Iron,%                                                            ≤ 0.0005                 0.004
重金属(以Pb计)Heavy metals,%                                  ≤ 0.0005                 0.002
高锰酸钾还原物质Potassium permanganate-reducing
substances                                                                     合格                    合格

ACS级
项目名称Item                                                    ACS Grade
含量(HOOC(CH₂)COOH)Assay                            ≥99.0%
熔点Melting point                                               185.0℃-191.0℃
水不溶物Insoluble matter                                   0.01%
灼烧残渣Residue after ignition                            0.02%
氯化物(Cl)Chloride(Cl)                                        ≤0.001%
磷酸盐(PO₄)Phosphate                                      ≤0.001
硫酸盐(SO₄)Sulfate                                            ≤0.003%
氮化合物(以N计)Nitrogen compounds(as N)       ≤0.001%
重金属(以Pb计)Heavy metals(as Pb)                   ≤5ppm
铁(Fe)Iron(Fe)                                                     ≤5ppm

品级Grade                                                用于电离质谱  
                                                      (grade matrix substance for MALDI-MS)
外观Appearance                                     白色至米黄色粉末
红外光谱鉴别Infrared spectrometry       Conforms to Structure
纯度Purity                                              ≥99.5% (T)
氯chloride (Cl-):                                      ≤10 ppm
硫酸根sulfate (SO42-):                            ≤30 ppm
阳离子cation traces by ICP Atomic emission
  Ca:                                                   ≤50 ppm
  Cd:                                                   ≤5 ppm
  Co:                                                   ≤5 ppm
  Cr:                                                    ≤5 ppm
  Cu:                                                    ≤5 ppm
  Fe:                                                     ≤5 ppm
  K:                                                       ≤50 ppm
  Mg:                                                     ≤5 ppm
  Mn:                                                    ≤5 ppm
  NH4+:                                                ≤5 ppm
  Na:                                                     ≤50 ppm
  Ni:                                                       ≤5 ppm
  Pb:                                                      ≤5 ppm
  Zn:                                                      ≤5 ppm
accordance for IR spectroscopy               complies

品级Grade                                                 细胞与昆虫细胞培养级  
                                                           (for cell culture , insect cell culture)
外观Appearance                                          白色粉末
红外光谱鉴别Infrared spectrometry            Conforms to Structure
纯度Purity                                                   ≥99.0% (T)  
水溶解试验solubility in water                        clear colorless ,100mg/ml in water
细胞培养测试Cell culture test                        pass
昆虫细胞培养测试Insect cell culture test        pass