| 质量标准： |
Q/(HG)CD 250-91
项目Item 分析纯 化学纯
(AR) (CP)
含量assay(%) 98.0-100.5 98.0-100.5
熔点范围Melting renge,℃ 166.0-169.0 166.0-169.0
(1.5) (2)
比旋光度Sepecific rotation,[α]D20 +23°～+24° +23°～+24°
水不溶物Insoluble matter in water,% ≤ 0.05 0.1
灼烧残渣(以硫酸盐计)Ignition residue,% ≤ 0.05 0.10
干燥失重Drying loss,% ≤ 0.1 0.1
氯化物(Cl)Chloride,% ≤ 0.002 0.005
重金属(以Pb计)Heavy metals,% ≤ 0.0005 0.001
还原糖Reducing sugar 合格 合格
项目 优级纯
(GR)
含量assay(%) 99.0-100.5
磷Phosphorus (P) ,% <0.0005
水不溶物Insoluble matter ,% <0.01
灼烧残渣ign. residue ,% <0.01
熔点mp 167-170 °C
铁Iron(Fe),% <0.0005
氯化物(Cl)Chloride,% ≤0.001
重金属(以Pb计)Heavy metals,% ≤0.0005
还原糖Reducing sugar 合格
99.9999%:
外观Appearance 白色粉末或结晶
含量assay（异构体总量） ≥99.0% (HPLC)
纯度Purity ≥99.999% Based On Trace Metals Analysis
比旋光度Specific rotation [a]20/D +23.0°～ +25.0°(C = 10 in Borate Buffer， 25 °C）
总金属杂质Total metallic impurities 20ppm by ICP Atomic emission
痕量阴离子anion traces by ICP Atomic emission
bromide (Br-): ≤1000 ppb
chloride (Cl-): 1000 ppb
fluoride (F-): ≤1000 ppb
nitrate (NO3-): ≤1000 ppb
nitrite (NO2-): ≤1000 ppb
phosphate (PO43-): ≤1000 ppb
sulfate (SO42-): ≤1000 ppb
痕量阳离子cation traces by ICP Atomic emission
Ag: ≤0.01 ppm
Al: ≤0.05 ppm
As: ≤0.01 ppm
Au: ≤0.01 ppm
B: ≤0.05 ppm
Ba: ≤0.05 ppm
Be: ≤0.01 ppm
Bi: ≤0.01 ppm
Ca: ≤0.2 ppm
Cd: ≤0.01 ppm
Ce: ≤0.01 ppm
Co: ≤0.01 ppm
Cr: ≤0.01 ppm
Cs: ≤0.01 ppm
Cu: ≤0.01 ppm
Dy: ≤0.01 ppm
Er: ≤0.01 ppm
Eu: ≤0.01 ppm
Fe: ≤0.05 ppm
Ga: ≤0.01 ppm
Gd: ≤0.01 ppm
Ge: ≤0.01 ppm
Hf: ≤0.01 ppm
Hg: ≤0.001 ppm
Ho: ≤0.01 ppm
In: ≤0.01 ppm
Ir: ≤0.01 ppm
K: ≤0.1 ppm
La: ≤0.01 ppm
Li: ≤0.01 ppm
Lu: ≤0.01 ppm
Mg: ≤0.05 ppm
Mn: ≤0.01 ppm
Mo: ≤0.01 ppm
Na: ≤0.5 ppm
Nb: ≤0.01 ppm
Nd: ≤0.01 ppm
Ni: ≤0.01 ppm
Os: ≤0.01 ppm
Pb: ≤0.01 ppm
Pd: ≤0.01 ppm
Pr: ≤0.01 ppm
Pt: ≤0.01 ppm
Rb: ≤0.01 ppm
Re: ≤0.01 ppm
Rh: ≤0.01 ppm
Ru: ≤0.01 ppm
Sb: ≤0.01 ppm
Sc: ≤0.05 ppm
Se: ≤0.01 ppm
Sm: ≤0.01 ppm
Sn: ≤0.01 ppm
Sr: ≤0.01 ppm
Ta: ≤0.01 ppm
Tb: ≤0.01 ppm
Te: ≤0.01 ppm
Th: ≤0.01 ppm
Ti: ≤0.05 ppm
Tl: ≤0.01 ppm
Tm: ≤0.01 ppm
U: ≤0.01 ppm
V: ≤0.01 ppm
W: ≤0.01 ppm
Y: ≤0.01 ppm
Yb: ≤0.01 ppm
Zn: ≤0.01 ppm
Zr: ≤0.01 ppm
USP级
ASSAY (C6H14O6; DRIED BASIS) 96.0 - 101.5 %
MELTING RANGE 164 - 169 C
SPECIFIC ROTATION [a]D +137 TO +145
ACIDITY -- TO PASS TEST
LOSS ON DRYING -- 0.3 %
CHLORIDE (Cl) -- 0.007 %
SULFATE -- 0.01 %
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