| 質(zhì)量標(biāo)準(zhǔn)： |
項(xiàng)目Item 分析純
（AR）
含量(C6H14O6)Assay,% ≥ 98.0
灼燒殘?jiān)?以硫酸鹽計(jì))Ignition residue,% ≤ 0.1
氯化物(Cl)Chloride,% ≤ 0.003
硫酸鹽(SO4)Sulfate,% ≤ 0.003
重金屬(以Pb計(jì))Heavy metals,% ≤ 0.001
還原糖Reducing sugar,% ≤ 0.4
干燥失重Loss on drying,% ≤ 0.8
鐵(Fe), % ≤ 0.0005
鎳(Ni),% ≤ 0.0002
砷(As),% ≤ 0.00013
品級(jí)Grade 超純級(jí)
(Ultra pure)
外觀Appearance 白色粉末
紅外光譜鑒別Infrared spectrometry Conforms
純度Purity ≥99.5% (HPLC)
比旋光度Specific rotation [a]20/D −1.5±0.3°, c = 10% in H2O
甜度sweetness 0.6 × sucrose
不溶物insoluble matter, passes filter test
灼燒殘?jiān)黂esidue on ignition ≤0.1% (as SO4)
干燥損失loss on drying ≤0.5% , 20 °C (HV)
pH 5.0-7.0 (25 °C, 1 M in H2O)
水溶性solubility H2O: soluble1 M at 20 °C, clear, colorless
氯chloride (Cl-): ≤50 ppm
硫酸根sulfate (SO42-): ≤50 ppm
Al: ≤5 ppm
As: ≤0.1 ppm
Ba: ≤5 ppm
Bi: ≤5 ppm
Ca: ≤10 ppm
Cd: ≤5 ppm
Co: ≤5 ppm
Cr: ≤5 ppm
Cu: ≤5 ppm
Fe: ≤5 ppm
K: ≤50 ppm
Li: ≤5ppm
Mg: ≤5 ppm
Mn: ≤5 ppm
Mo: ≤5 ppm
Na: ≤50 ppm
Ni: ≤5 ppm
Pb: ≤5 ppm
Sr: ≤5 ppm
Zn: ≤5 ppm
λ 1 M in H2O
UV absorption
λ: 260 nm A: ≤0.04
λ: 280 nm A: ≤0.045
品級(jí)Grade 分子生物學(xué)級(jí)
(grade for molecular biology )
外觀Appearance 白色粉末
紅外光譜鑒別Infrared spectrometry Conforms
純度Purity ≥98.0% (GC)
熔點(diǎn)Melting point 98-100 °C
DNase, RNase, and protease, none detected
品級(jí)Grade 細(xì)胞培養(yǎng)級(jí)
(cell culture tested)
外觀Appearance 白色粉末
紅外光譜鑒別Infrared spectrometry Conforms
純度Purity ≥98.0% (GC)
熔點(diǎn)Melting point 98-100 °C
細(xì)胞培養(yǎng)試驗(yàn)Cell culture test PASS
品級(jí)Grade 植物細(xì)胞培養(yǎng)級(jí)
(plant cell culture tested)
外觀Appearance 白色粉末
紅外光譜鑒別Infrared spectrometry Conforms
純度Purity ≥98.0% (GC)
熔點(diǎn)Melting point 98-100 °C
植物細(xì)胞培養(yǎng)試驗(yàn)Plant Cell Culture Test Pass
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