项目Item                                         化学纯
                                                          (CP)
总醇量Assay,%                              ≥59.0      
鉴别试验Identification                       合格      
溶解度Solubility                             合格        
碱度Alekalinity                              合格        
氯化物、硫酸盐Chloride and sulfate,%       ≤10.0        
游离碱Free alcohol,%                       ≤4.0

品级Grade                                      分析纯  
                                                          (AR)
外观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 %
钠Sodium (Na)                          7.6 - 8.3 %
  as is
滴定Titration                          92.5 - 100.5 % Based on total alkyl sulfate content
纯度Purity (GC)                        ≥65 %
  lauryl sulfate, sodium salt



项目                                     电泳级，≥97% (GC)
                                      (for electrophoresis, ≥97% (GC))
外观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
聚丙烯酰胺凝胶电泳试验Test for use in denatured polyacrylamide gel electrophoresis
                                          Pass
纯化Purity (GC)                           ≥ 97 %
重金属Heavy Metals (as Lead)              ≤ 10 ppm
pH (10 %; H2O)                            7.0 - 10.5 (25°C)




项目                                   超纯级, ≥99.0% (GC)
                                     (Ultra pure, ≥99.0% (GC))
外观appearance                            white powder
红外光谱Infrared spectrometry             Conforms to Structure
纯度Purity                                 ≥99.5% (滴定)
纯度Purity                                 ≥99.0% (GC)
水溶性solubility                           clear colorless (0.1m in water)
干燥损失loss on drying                     ≤0.5% (hv, 20-25°C)
不溶物杂质insoluble matter                 passes filter test
pH (0.1 M; H2O)                            6.5 - 8.0 (25°C)
水分Water                                  ≤0.05 %
氯离子Chloride                             ≤0.005 %
磷酸根Phosphate                            ≤0.0001 %
铅Pb                                       ≤0.0001 %
吸光度A (1 cm/0.1 M in water)  
260 nm                                     ≤0.08
280 nm                                     ≤0.05



项目                                        USP级，Ph. Eur
含量Assay (titr.)                           ≥92 %
Alkaline reacting impurities                complies
鉴别试验Identity                            complies
Unesterified alcohols                       ≤ 4.0 %
氯化钠Sodium chloride                       complies
硫酸钠Sodium sulfate                        complies
    


项目名称　                                ACS Grade
外观Appearance                            White Flakes or Powder
红外光谱Infrared spectrum                 Conforms to Structure
紫外可见吸光度UV/VIS Absorbance           ≤0.1
  （220 - 350nm c = 3%; Water)
不饱和醇Unsulfated Alcohols               ≤4.0 %
纯度Purity (Titration by NaOH)            ≥99.0 %
纯度Purity (GC)                           ≥96.0 %
  % Fatty Alcohols(as C12H25OH)
干燥损失Loss on Drying                    ≤1.0 %
  105℃, Constant Wt
总盐Total % NaCl and Na2SO4               ≤8.0 %
重金属Heavy Metal(as Lead)                ≤0.002 %
可滴定碱Titratable base                   ≤0.06 meq



品级Grade                               分子生物学级，≥98.5% (GC)
                                     (for molecular biology, ≥98.5% (GC))
外观appearance                          white to off-white powder
水溶性solubility                        clear colorless to very faint yellow solution at 20g plus 100ml of water
水分water by karl fischer              ≤2.0%
钠sodium                               7.0 to 9.0 %
铅lead                                 ≤ppm
氯chloride                             ≤500 ppm
磷酸盐phosphate                        ≤10 ppm
uv absorbance (3% w/v in water)        ≤ 0.3 at 260 nm
uv absorbance (3% w/v in water)        ≤ 0.3 at 280 nm
DNASE, (EXONUCLEASE)                   none detected
RNASE                                  none detected
纯度purity by titration                ≥ 98.5%
纯度purity (GC)                        ≥ 98.5%


品级Grade                         离子对色谱级，≥99.0% (GC)  
                                (for ion pair chromatography，≥99.0% (GC)）  
纯度Purity(GC)                        ≥99.0% (GC)
熔点mp                                204-207 °C
λ                                10 % in H2O
UV absorption λ: 210 nm A:            ≤0.1
  λ: 220 nm A:                        ≤0.06
  λ: 230 nm A:                        ≤0.04
  λ: 260 nm A:                        ≤0.02
  λ: 500 nm A:                        ≤0.02
RP gradient test                      corresponds to standard
filter test                           corresponds to standard

危险品标志  Xi,Xn,F
WGK Germany  2
RTECS号 WT1050000
F  3
危险类别码  36/37/38-36/38-22-11-21/22-42-41-20/21/22
安全说明  26-36/37-36/37/39-36-22
海关编码  29209010

1，表面活性剂，去污，发泡，润湿剂等
2，比较低级的离子对试剂，在要求不高时，比庚烷，戊烷磺酸钠价格便宜
3，作为原料，材料的改性
4，毛细管电泳分析，添加剂，一般配成摩尔溶液使用
5，其他分析方法也会用到，如流动柱分析。