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TVOC标液/苯标液/白酒混标及单标/农残标样
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(S)-3-(苯甲酰硫代)-2-甲基丙酸,72679-02-8,98%
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硫酸锌 溶液,7733-02-0,0.3 N in H2O
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铂 AAS 标准液 1,000 mg/l traceable to SRM from NIST H₂PtCl₆ in HCl 2 mol/l 1000mg/l Pt CertiPUR®
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铂 AAS 标准液 1,000 mg/l traceable to SRM from NIST H₂PtCl₆ in HCl 2 mol/l 1000mg/l Pt CertiPUR®
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硫 ICP 标准液 10,000 mg/l traceable to SRM from NIST H₂SO₄ in H₂O 10000 mg/l S CertiPUR®
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水质镍标样,7440-02-0,浓度:0.358(mg/L),基体:水
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水质镍标样,7440-02-0,浓度:1.39(mg/L),基体:水
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β-萘磺酸钠,532-02-5,离子对色谱级,≥99.0%
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硫代硫酸钠溶液 for 1000 ml, c(Na2S2O3) = 0,01 mol/l (0.01 N) Titrisol®
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