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170319 SupelcoGallium ICP standard (Gallium ICP standard)
traceable to SRM from NIST Ga(NO₃)₃ in HNO₃ 2-3% 1000 mg/l Ga Certipur®
112171 Sigma-AldrichGallium(III) nitrate hydrate 98+ (Gallium(III) nitrate hydrate 98+)
Gallium(III) nitrate hydrate 98+. CAS 69365-72-6, pH 2 (50 g/l, H₂O, 20 °C).
804079 Sigma-AldrichGermanium(IV) chloride (Germanium(IV) chloride)
Germanium(IV) chloride for synthesis. CAS 10038-98-9, EC Number 233-116-7, chemical formula GeCl₄.
170320 SupelcoGermanium ICP standard (Germanium ICP standard)
traceable to SRM from NIST (NH₄)₂GeF₆ in H₂O 1000 mg/l Ge Certipur®
112177 Sigma-AldrichGermanium(IV) oxide (Germanium(IV) oxide)
Germanium(IV) oxide 99+. CAS 1310-53-8, EC Number 215-180-8, chemical formula GeO₂.
107749 SupelcoSilica gel 60 PF₂₅₄ containing gypsum (Silica gel 60 PF₂₅₄ containing gypsum)
for preparative layer chromatography
170318 SupelcoGadolinium ICP standard (Gadolinium ICP standard)
traceable to SRM from NIST Gd₂O₃ in HNO₃ 2-3% 1000 mg/l Gd Certipur®
820613 Sigma-AldrichGuanidinium thiocyanate (Guanidinium thiocyanate)
Guanidinium thiocyanate for synthesis. CAS 593-84-0, EC Number 209-812-1, chemical formula H₂NC(NH)NH₂ * HSCN.
820611 Sigma-AldrichGuanidinium carbonate (Guanidinium carbonate)
Guanidinium carbonate for synthesis. CAS 593-85-1, EC Number 209-813-7, chemical formula (CH₅N₃)₂ * H₂CO₃.
