vcningmeng
第15楼2015/10/12
安谱的CNW优级纯硝酸就很不错啊,2.5L塑料瓶包装的比较安全,10来年下来没有质量投诉问题。
4.110040
Nitric acid 65.0%
for analysis, ACS
for determinations with dithizone
HNO3 M.=63.01
CAS No. 7697-37-2
UN 2301
Guarantee analysis
Assay ≥ 65.0 %
Heavy metals (as Pb) < 0.0002 %
Residue on ignition (SO4) ≤ 0.0005 %
Appearance of solution complying
Chloride (Cl) ≤ 0.00005 %
Sulphate (SO4) ≤ 0.00005 %
Phosphate (PO4) ≤ 0.00005 %
Suitability for determination with dithizone complying
Metals by ICP
Ag 0.01 Cr 0.02 Mo 0.02
Al 0.05 Cu 0.01 Na 0.5
As 0.01 Fe 0.1 Ni 0.02
Ba 0.01 Ge 0.05 Pb 0.01
Be 0.01 Hg 0.01 Sr 0.01
Bi 0.1 Li 0.01 Ti 0.1
Ca 0.1 K 0.05 TI 0.05
Cd 0.01 Mg 0.1 Zn 0.05
Co 0.01 Mn 0.01 Zr 0.1
vcningmeng
第20楼2015/10/13
4.110040
Nitric acid 65.0%
for analysis, ACS
for determinations with dithizone
HNO3 M.=63.01
CAS No. 7697-37-2
UN 2301
Guarantee analysis
Assay ≥ 65.0 %
Heavy metals (as Pb) < 0.0002 %
Residue on ignition (SO4) ≤ 0.0005 %
Appearance of solution complying
Chloride (Cl) ≤ 0.00005 %
Sulphate (SO4) ≤ 0.00005 %
Phosphate (PO4) ≤ 0.00005 %
Suitability for determination with dithizone complying
Metals by ICP
Ag 0.01 Cr 0.02 Mo 0.02
Al 0.05 Cu 0.01 Na 0.5
As 0.01 Fe 0.1 Ni 0.02
Ba 0.01 Ge 0.05 Pb 0.01
Be 0.01 Hg 0.01 Sr 0.01
Bi 0.1 Li 0.01 Ti 0.1
Ca 0.1 K 0.05 TI 0.05
Cd 0.01 Mg 0.1 Zn 0.05
Co 0.01 Mn 0.01 Zr 0.1
上发了具体的指标,Hg是0.01ppm, Cr 是0.02ppm,应该不算高吧?
关键是产品质量稳定,这么多年来,从来没有过产品质量的投诉。