vcningmeng
第4楼2015/03/20
安谱卖的CNW优级纯硝酸性价比很不错。
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
envirend
第5楼2015/03/20