Sigma-Aldrich
硫酸铵, for molecular biology, ≥99.0%
Sigma-Aldrich
硫酸铵, BioXtra, ≥99.0%
Sigma-Aldrich
羟基磷灰石, nanopowder, <200 nm particle size (BET), ≥97%, synthetic
Sigma-Aldrich
羟基磷灰石, reagent grade, powder, synthetic
Sigma-Aldrich
硫酸铵, BioUltra, ≥99.0% (T)
Sigma-Aldrich
硫酸铵, 99.999% trace metals basis
Sigma-Aldrich
羟基磷灰石, puriss., meets analytical specification of Ph. Eur., BP, FCC, E341, ≥90% (calculated on glowed substance)
Sigma-Aldrich
羟基磷灰石, purum p.a., ≥90% (as Ca3(PO4)2, KT)
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磷酸钙 三元, 34.0-40.0% Ca basis
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磷酸钙 三元, BioReagent, suitable for plant cell culture, powder
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羟基磷灰石, nanoparticles, dispersion, 10 wt. % in H2O, <200 nm particle size (BET)
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碱式磷酸钙, synthetic, 99.8% trace metals basis (excludes Mg)
Sigma-Aldrich
硫酸铵, suitable for plant cell culture, ≥99.0%
Sigma-Aldrich
羟基磷灰石, nanopowder, <200 nm particle size (BET), contains 5 wt. % silica as dopant, synthetic
Sigma-Aldrich
硫酸铵-14N2 溶液, 40 wt. % in H2O, 99.99 atom % 14N
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硫酸铵-14N2, 99.99 atom % 14N
Sigma-Aldrich
硫酸铵-14N2 溶液, 40 wt. % in H2O, 99.99 atom % 14N
Sigma-Aldrich
硫酸-16O4 铵-14N2, 99.99 atom % 16O, 99.99 atom % 14N
Sigma-Aldrich
硫酸铵, Vetec™, reagent grade, 99%