Name | Specifications | Packing | Price | Delivery |
L-(+)-Tartaric acid | FCC, ≥99.7%, FG | 1kg | RMB 259.6 | 促銷(xiāo) |
L-(+)-Tartaric acid | 99% | 100g | RMB 66 | 促銷(xiāo) |
L-(+)-Tartaric acid | 99% | 500g | RMB 172.7 | 促銷(xiāo) |
L-(+)-Tartaric acid | ACS | 250g | RMB 172.7 | 促銷(xiāo) |
L-(+)-Tartaric acid | 藥用級(jí) | 500g | RMB 172.7 | 促銷(xiāo) |
項(xiàng)目 ACS級(jí)
(ACS)
外觀Appearance 白色結(jié)晶
紅外光譜鑒別Infrared spectrometry 和對(duì)照品匹配
純度Purity >99.0%
重金屬Heavy metals (as Pb) <5 ppm
灼燒殘?jiān)黂es. after ignition <0.02 %
痕量分析Trace analysis :
Cl < 10 ppm
PO4 < 10 ppm
Fe < 5 ppm
不溶性物質(zhì)Insoluble matter <0.005 %
草酸鹽試驗(yàn)Oxalate(C2O4) (限值 0.1%) 合格
硫酸根Sulfur compounds (as SO4) <0.002 %
品級(jí)Grade FCC
FG
外觀Appearance 白色結(jié)晶粉末
熔點(diǎn)Melt Point ≤173.0 °C
純度Purity 99.7 - 100.5 % (中和滴定)
紅外光譜鑒別Infrared spectrometry 符合
比旋光度Specific rotation [a]20/D 12.0 - 13.0 °(C=20%,H2O)
干燥損失Loss on Drying ≤0.5 %
灼燒殘?jiān)黂esidue on ignition (Ash) ≤0.05 %
Oxylate test Pass
Sulfate Test Pass
痕量分析Trace Metal analysis (as lead) ≤2 ppm
濁度試驗(yàn)Solubility (Turbidity) C=5%H2O 透明
砷Arsenic (As) ≤3 ppm
鎘Cadmium (Cd) ≤1 ppm
汞Mercury (Hg) ≤1 ppm
鉛Lead (Pb) ≤10 ppm
品級(jí)Grade 藥用級(jí)
(Ph. Eur., BP, USP)
外觀Appearance 白色粉末
紅外光譜鑒別Infrared spectrometry 和對(duì)照匹配
純度Purity (以干基計(jì)) 99.7-100.5%
比旋光度Specific rotation [a]20/D +12.0 to +12.8°, c = 20% in H2O
有機(jī)揮發(fā)性雜質(zhì)organic volatile impurities, complies (GC)
殘留溶劑residual solvents, complies
重金屬heavy metals (as Pb) ≤0.001%
灼燒殘?jiān)黫gn. residue ≤0.05% (as SO4)
干燥損失loss on drying, 105 °C ≤0.2%
氯chloride (Cl-): ≤100 ppm
草酸鹽oxalate (C2O42-): in accordance
草酸oxalate (as oxalic acid): ≤100 ppm
硫酸鹽sulfate (SO42-): ≤100 ppm
砷As: ≤2 ppm
鈣Ca: ≤200 ppm
銅Cu: ≤10 ppm
汞Hg: ≤1 ppm
鉛Pb: ≤2 ppm
鋅Zn: ≤10 ppm
水溶解試驗(yàn)solubility in water 合格
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