品名 | 规格 | 包装 | 单价 | 货期 |
草酸 | AR | 500g | 18.7元 | 现货 |
草酸 | CP | 500g | 16.5元 | 咨询客服 |
草酸 | GR | 500g | 25.3元 | 咨询客服 |
草酸 | GR | 5Kg | 231元 | 咨询客服 |
草酸 | SP | 25g | 71.5元 | 咨询客服 |
草酸 | 4N | 25g | 71.5元 | 咨询客服 |
草酸 | ACS | 500g | 38.5元 | 咨询客服 |
草酸 | GCS,≥99.6% | 5g | 28.6元 | 咨询客服 |
草酸 | ≥99.998% (metals basis) | 5g | 110元 | 咨询客服 |
草酸 | ≥99.998% (metals basis) | 25g | 396元 | 咨询客服 |
ACS级
项目名称Item ACS Grade
含量(H2C2O4·2H2O)Assay 99.5-102.5%
易炭化物质Substances darkened by hot sulfuric acid Passes test
水不溶物Insoluble matter ≤0.005%
灼烧残渣Residue after ignition ≤0.01%
氯化物(Cl)Chloride(Cl) ≤0.002%
硫酸盐(SO4)Sulfate ≤0.005%
钙(Ca)Calcium(Ca) ≤0.001%
氮化合物(以N计)Nitrogen compounds(as N) ≤0.001%
重金属(以Pb计)Heavy metals(as Pb) ≤5ppm
铁(Fe)Iron(Fe) ≤2ppm
≥99.9999% (metals basis):
外观Appearance 白色粉末或结晶
纯度Purity ≥99.9999% Based On Trace Metals Analysis
总氮total nitrogen ≤10 ppm
熔点mp 104-106 °C
anion traces by
氯chloride (Cl-): ≤5000 ppb
磷酸根phosphate (PO43-): ≤500 ppb
硫酸根sulfate (SO42-): ≤2000 ppb
cation traces
Ag: ≤0.01 ppm
Al: ≤0.02 ppm
As: ≤0.01 ppm
Au: ≤0.001 ppm
Ba: ≤0.1 ppm
Be: ≤0.001 ppm
Bi: ≤0.001 ppm
Ca: ≤0.1 ppm
Cd: ≤0.05 ppm
Ce: ≤0.005 ppm
Co: ≤0.005 ppm
Cr: ≤0.01 ppm
Cs: ≤0.01 ppm
Cu: ≤0.005 ppm
Dy: ≤0.005 ppm
Er: ≤0.005 ppm
Eu: ≤0.005 ppm
Fe: ≤0.5 ppm
Ga: ≤0.001 ppm
Gd: ≤0.005 ppm
Ge: ≤0.005 ppm
Hf: ≤0.005 ppm
Hg: ≤0.005 ppm
Ho: ≤0.005 ppm
In: ≤0.001 ppm
Ir: ≤0.005 ppm
K: ≤0.2 ppm
La: ≤0.005 ppm
Li: ≤0.005 ppm
Lu: ≤0.005 ppm
Mg: ≤0.02 ppm
Mn: ≤0.005 ppm
Mo: ≤0.005 ppm
Na: ≤0.1 ppm
Nb: ≤0.005 ppm
Nd: ≤0.005 ppm
Ni: ≤0.01 ppm
Os: ≤0.01 ppm
Pb: ≤0.01 ppm
Pd: ≤0.01 ppm
Pr: ≤0.005 ppm
Pt: ≤0.05 ppm
Rb: ≤0.01 ppm
Re: ≤0.005 ppm
Rh: ≤0.005 ppm
Ru: ≤0.005 ppm
Sb: ≤0.001 ppm
Sc: ≤0.05 ppm
Se: ≤0.01 ppm
Sm: ≤0.005 ppm
Sn: ≤0.005 ppm
Sr: ≤0.1 ppm
Ta: ≤0.01 ppm
Tb: ≤0.005 ppm
Te: ≤0.005 ppm
Th: ≤0.005 ppm
Ti: ≤0.02 ppm
Tl: ≤0.001 ppm
Tm: ≤0.005 ppm
U: ≤0.001 ppm
V: ≤0.01 ppm
W: ≤0.005 ppm
Y: ≤0.005 ppm
Yb: ≤0.005 ppm
Zn: ≤0.02 ppm
Zr: ≤0.1 ppm
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