品級(jí)Grade                                      分析純   
                                                          (AR) 
外觀Appearance                         White to Off-White Powder 
溶解性Solubility                       Faint Yellow ，Clear to Slightly Hazy ，200 mg/mL, H2O 
水分Water (by Karl Fischer)            ≤3 % 
鈉Sodium (Na)                          7.6 - 8.3 % 
  as is 
滴定Titration                          92.5 - 100.5 % Based on total alkyl sulfate content 
純度Purity (GC)                        ≥65 % 
  lauryl sulfate, sodium salt 
項(xiàng)目                                     電泳級(jí)，≥97% (GC)
                                      (for electrophoresis, ≥97% (GC))
外觀Appearance                             White to Off-White Powder
溶解性Solubility                           Colorless,Clear,200 mg/ml, H2O
氯Chloride (Cl)                            ≤ 500 ppm
By Specific Ion Electrode
磷酸根Phosphate                           ≤10 ppm
A260 UV Absorption                        ≤0.1，3% in H2O
A280 UV Absorption                        ≤0.1，3% in H2O
聚丙烯酰胺凝膠電泳試驗(yàn)Test for use in denatured polyacrylamide gel electrophoresis
                                          Pass
純化Purity (GC)                           ≥ 97 %
重金屬Heavy Metals (as Lead)              ≤ 10 ppm
pH (10 %; H2O)                            7.0 - 10.5 (25°C)