32328 硫酸钠 AR 500g 15
32329 硫酸钠 CP 500g 12
32330 硫酸钠 GR 500g 16
32331 硫酸钠 农残级 500g 180
32332 硫酸钠 HPLC，≥99.0% 500g 182
32333 硫酸钠 分析标准品， pestizides≤1 ppm 500g 250
32334 硫酸钠 SP 25g 84
32335 硫酸钠 99.99% 25g 84
32336 硫酸钠 PT 100g 65
白色单斜晶系结晶或粉末。 溶于水，水溶液呈碱性。溶于甘油，不溶于乙醇。 熔点 884 °C(lit.) 沸点 1700°C 密度 2.68 g/mL at 25 °C(lit.) 折射率 1.484
GB/T 9853-88 项目Item 分析纯 化学纯 (AR) (CP) 含量(Na 2 SO 4 )Assay,% ≥ 99.0 98.0 pH(50g/L溶液，25℃)pH 5.0-8.0 5.0-8.0 of water solution 澄清度试验Clarity 合格 合格 水不溶物Insoluble matter in water,% ≤ 0.005 0.02 灼烧失重Ignition loss,% ≤ 0.2 0.5 氯化物(Cl)Chloride,% ≤ 0.001 0.005 总氮量(N)Total nitrogen,%　 ≤ 0.0005 0.001 磷酸盐(PO 4 )Phosphate,% ≤ 0.001 0.002 钾(K)Potassium,% ≤ 0.01 -- 钙(Ca)Calcium,% ≤ 0.002 0.005 铁(Fe)Iron,% ≤ 0.0005 0.0015 重金属(以Pb计)Heavy metals,% ≤ 0.0005 0.002 ACS级 项目名称　 ACS Grade 含量(Na 2 SO 4 )Assay ≥99.0% pH(5%溶液,25.0℃)pH of a 5% solution at 25.0℃ 5.2-9.2 水不溶物Insoluble matter ≤0.001% 灼烧残渣Residue after ignition ≤0.5% 氯化物(Cl)Chloride(Cl) ≤0.001% 含氮化合物(以N计)Nitrogen compounds ≤5ppm 磷酸盐(PO 4 )Phosphate ≤0.001% 重金属(以Pb计)Heavy metals(as Pb) ≤5ppm 铁(Fe)Iron(Fe) ≤0.001% 钙(Ca)Calcium ≤0.01% 镁(Mg)Magnesium ≤0.005% 钾(K)Potassium ≤0.01% 萃取-浓缩的适应性实验Extraction-concentration suitability Passes test 品级Grade 色谱级 (grade for HPLC，≥99.0% (T)) 外观Appearance White Powder 纯度Purity ≥99.0% (T) 非溶性物质insoluble matter, passes filter test 水溶性solubility H2O: soluble1 M at 20 °C, clear, colorless λ 10 % in H2O UV absorption λ: 220 nm A: ≤0.1 λ: 230 nm A: ≤0.05 λ: 240 nm A: ≤0.03 λ: 250 nm A: ≤0.02 λ: 500 nm A: ≤0.02 99.99% metals basis: 外观Appearance White Powder and/or Chunks 纯度Purity ≥99.99% Based on Trace Metals Impurities 硫酸根Gravimetric Analysis(% SO4) 66.3 - 69.0 % , With Barium Chloride ICP Major Analysis Confirmed 总痕量金属杂质total metallic impurities ≤100.0 ppm 99.999% metals basis: 外观Appearance White Powder and/or Chunks 纯度Purity ≥99.999% Based on Trace Metals Impurities 硫酸根Gravimetric Analysis(% SO4) 66.3 - 69.0 % , With Barium Chloride ICP Major Analysis Confirmed 总痕量金属杂质total metallic impurities ≤10.0 ppm 品级Grade 植物细胞培养级 (for plant cell culture, ≥99.0%) 外观appearance white to off-white powder 水溶性solubility clear colorless solution at 10 g plus 100 ml water 干燥损失loss on drying ≤0.5% 纯度Purity ≥99.0% (T) 植物细胞培养试验plant cell culture test passes 品级Grade 药典级 (suitable for use as Ph Eur,BP,USP) 含量assay 99.0-100.5% (calc. to the dried substance) 酸度或者碱度acidity or alkalinity, complies 残留溶剂residual solvents, complies 重金属heavy metals (as Pb) ≤0.001% 游离碱free alkali (as NaOH) ≤0.04% 游离酸free acid (as H2SO4) ≤0.05% 干燥损失loss on drying, 130 °C ≤0.5% 氯chloride (Cl-): ≤200 ppm 砷As: ≤2 ppm 钙Ca: ≤50 ppm 铁Fe: ≤50 ppm 镁Mg: ≤50 ppm 锌Zn: ≤300 ppm 溶液外观appearance of solution complies
危险品标志 Xi WGK Germany 1 RTECS号 WE1650000 F 3 危险类别码 36/37/38 安全说明 24/25
用途 焦糖色素制造用剂。食用色素稀释剂。 用途 用作分析试剂和脱水剂