国家标准物质-标准物质实验室【北京华研】
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USGS26 Ammonium SulfateAmmonium Sulfate Ammonium Sulfate 0.5g
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USGS25 Ammonium SulfateAmmonium Sulfate Ammonium Sulfate 0.5g
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IAEA-N-2 Ammonium SulfateAmmonium Sulfate Ammonium Sulfate 0.5g
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IAEA-N-1 Ammonium SulfateAmmonium Sulfate Ammonium Sulfate 0.5g
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LSVEC Lithium CarbonateLithium Carbonate Lithium Carbonate 0.5g
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ISL-354 Sodium ChlorideSodium Chloride Sodium Chloride 2g
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IAEA-B-8 ClayClay Clay 30g
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IAEA-B-7 LimestoneLimestone Limestone 30g
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IAEA-B-6 ObsidianObsidian Obsidian 30g
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IAEA-B-5 BasaltBasalt Basalt 30g
标准物质实验室 · 京ICP备19035853号-1