货号 | 名称 | 规格 | 包装 | 单价(元) | 优惠(元) | 库存 | 数量 | 操作 |
---|---|---|---|---|---|---|---|---|
R786991 | 柠檬酸(一水) | AR | 500g | ¥ 27.00 | ¥ 22.95 | >10 | -+ | 加入购物车 |
R955784 | 柠檬酸(一水) | CP | 500g | ¥ 20.00 | ¥ 17 | >10 | -+ | 加入购物车 |
R529272 | 柠檬酸(一水) | GR | 500g | ¥ 48.00 | ¥ 40.8 | >10 | -+ | 加入购物车 |
R805379 | 柠檬酸(一水) | ≥99.9998% (metals basis) | 5g | ¥ 79.00 | ¥ 67.15 | >10 | -+ | 加入购物车 |
R505454 | 柠檬酸(一水) | ≥99.9998% (metals basis) | 25g | ¥ 266.00 | ¥ 226.1 | >10 | -+ | 加入购物车 |
R594892 | 柠檬酸(一水) | BR | 500g | ¥ 36.00 | ¥ 30.6 | >10 | -+ | 加入购物车 |
R362145 | 柠檬酸(一水) | GCS | 5g | ¥ 55.00 | ¥ 46.75 | >10 | -+ | 加入购物车 |
R633965 | 柠檬酸(一水) | ACS | 500g | ¥ 149.00 | ¥ 126.65 | >10 | -+ | 加入购物车 |
R665973 | 柠檬酸(一水) | 99.995% metals basis | 500g | ¥ 988.00 | ¥ 839.8 | >10 | -+ | 加入购物车 |
无色透明斜方形结晶或白色颗粒,无气味,味酸,在干燥空气中或加热至40-50℃成无水物,在潮湿空气中微有潮解性,75℃时变软,100℃时熔融,易溶于水,能溶于醇
密度:1.54
熔点: 135-152℃
闪点: 173.9℃
GB/T 9855-88
项目Item 优级纯 分析纯 化学纯
(GR) (AR) (CP)
含量(C6H8O7·H2O)Assay,% ≥ 99.8 99.5 99.0
澄清度试验Clarity 合格 合格 合格
水不溶物Insoluble matter in water,% ≤ 0.002 0.005 0.01
灼烧残渣(以硫酸盐计)Ignition residue,% ≤ 0.01 0.02 0.07
氯化物(Cl)Chloride,% ≤ 0.0005 0.0005 0.005
硫酸盐(SO4)Sulfate,% ≤ 0.002 0.005 0.02
磷酸盐(PO4)Phosphate,% ≤ 0.001 0.001 0.005
草酸盐(C2O4)Oxalate ≤ 0.05 0.05 --
钙(Ca)Calcium,% ≤ 0.002 0.005 0.02
铁(Fe)Iron,% ≤ 0.0003 0.0005 0.001
铜(Cu)Copper,% ≤ 0.0005 0.0005 --
铅(Pb)Lead,% ≤ 0.0005 0.0005 0.001
易碳化物质Readily earbonizable substances 合格 合格 --
项目 ACS级
(ACS)
含量Assay (C6H8O7•H2O) 99.0-102.0%
不溶物Insoluble Matter ≤ 0.005%
灼烧残渣Residue after Ignition ≤ 0.02%
氯Chloride (Cl) ≤ 0.001%
草酸盐试验Oxalate (C2O4) To pass test (limit about 0.05%)
磷酸盐Phosphate (PO4) ≤0.001%
硫酸盐Sulfur Compounds (as SO4) ≤0.002%
铁Iron (Fe) ≤3 ppm
铅Lead (Pb) ≤2 ppm
易碳化物质Substances Carbonizable by Hot Sulfuric Acid (Tartrates, etc.)
To pass test
99.9998% metals basis:
含量assay ≥99.5% (T)
纯度Purity ≥99.9998% metals basis
total impurities
total nitrogen (N) ≤5 ppm
acetate ≤5000 ppb
formia te ≤5000 ppb
glycolate ≤5000 ppb
pKa (1) 3.13, (2) 4.76, (3) 6.4
anion traces
bromide (Br-): ≤2000 ppb
chloride (Cl-): ≤10000 ppb
fluoride (F-): ≥2000 ppb
iodide (I-): ≤2000 ppb
nitrate (NO3-): ≤10000 ppb
nitrite (NO2-): ≤2000 ppb
oxalate (C2O42-): ≤5000 ppb
phosphate (PO43-): ≤2000 ppb
sulfate (SO42-): ≤10000 ppb
tartrate (C4H4O62-): ≤0.2%
cation traces
Ag: ≤0.01 ppm
Al: ≤0.05 ppm
As: ≤0.01 ppm
Au: ≤0.01 ppm
Ba: ≤0.05 ppm
Be: ≤0.01 ppm
Bi: ≤0.01 ppm
Ca: ≤0.1 ppm
Cd: ≤0.01 ppm
Ce: ≤0.01 ppm
Co: ≤0.01 ppm
Cr: ≤0.05 ppm
Cs: ≤0.01 ppm
Cu: ≤0.01 ppm
Dy: ≤0.01 ppm
Er: ≤0.01 ppm
Eu: ≤0.01 ppm
Fe: ≤0.1 ppm
Ga: ≤0.01 ppm
Gd: ≤0.01 ppm
Ge: ≤0.01 ppm
Hf: ≤0.01 ppm
Hg: ≤0.005 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: ≤2 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: ≤0.05 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
99.995% metals basis:
外观Appearance colorless crystal
红外光谱Infrared spectrometry Conforms to Structure
纯度Purity ≥99.995% Based on Trace Metals Impurities
滴定含量assay by titation 99.5-100.5%
总痕量金属杂质total metallic impurities ≤50ppm by ICP Atomic emission
危险品标志 F,Xi
危险类别码 11-36-66-67-41-36/37/38-37/38
安全说明 9-16-26-37/39-36/37/39
危险品运输编号 UN 1090 3/PG 2
WGK Germany 1
RTECS AL3150000
海关编码 29181400
主要用于香料或作为饮料的酸化剂,在食品和医学上用作多价螯合剂,也是化学中间体。
储于阴凉、干燥处,远离火种、热源,防止阳光直射。