氧化钐(III),Samarium(III) oxide;nanopowder, <100 nm particle size (BET), ≥99% trace metals basis
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人绒毛膜促性腺激素,Chorionic gonadotropin human [hCG];lyophilized powder, from human pregnancy urine, ~13,000 I.U. per mg
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亚氨基二乙酸,Iminodiacetic acid [IMDA, IDA];purum, ≥98.0% (T)
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N-氨基甲酰甲基乙磺酸 [ACES],N-(2-Acetamido)-2-aminoethanesulfonic acid;Vetec™, reagent grade, 98%
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氨基磺酸铵,Ammonium sulfamate;BioXtra, ≥98.0%
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二氟氢化铵,Ammonium hydrogen difluoride;reagent grade, 95%
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三氟乙酸,Trifluoroacetic acid [TFA];suitable for HPLC, ≥99.0%