十二烷基苯磺酸钠溶液标准物质
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Cat:YZ-GBW(E)081623
CAS:25155-30-0
Purity:1000ug/ml
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磷酸盐溶液标准物质
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Cat:YZ-GBW(E)081622-1
CAS:7778-77-0
Purity:1000ug/ml
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磷酸盐溶液标准物质
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Cat:YZ-GBW(E)081622
CAS:7778-77-0
Purity:10ug/ml
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硫酸盐溶液标准物质
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Cat:YZ-GBW(E)081621
CAS:7757-82-6
Purity:1000ug/ml
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氨氮溶液标准物质
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Cat:YZ-GBW(E)081619
CAS:12125-02-9
Purity:1000ug/ml
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硝酸盐氮溶液标准物质
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Cat:YZ-GBW(E)081616
Purity:1000ug/ml
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硝酸盐溶液标准物质
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Cat:YZ-GBW(E)081615-4
Purity:500ug/ml
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硝酸盐溶液标准物质
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Cat:YZ-GBW(E)081615
Purity:5.00mg/ml
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碳酸钠容量分析用溶液标准物质
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Cat:YZ-GBW(E)084281
CAS:497-19-8
Purity:0.05mol/L
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碘容量分析用溶液标准物质
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Cat:YZ-GBW(E)081614-1
CAS:12190-71-5
Purity:0.5mol/L
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