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月旭 5μm, 4.0×50mm00101-21028 C18 Xtimate系列液相色谱柱
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硅藻土,68855-54-9,助滤剂,融剂烧成品,渗透率4.0-6.4
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月旭 50%PbO2,4.0×50mm00239-51028 PbO₂ Ultimate系列液相色谱柱
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样品瓶(货号:样品瓶) 多种规格
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DWK Life Sciences (Wheaton) W985913 Cyrogenic vial; 4.0 mL, internal thread, round bottom, natural-colored cap
Cyrogenic vial; 4.0 mL, internal thread, round bottom, natural-colored cap
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pH试纸 Roll (4.8 m) with colour scale pH 0.5 - 1.0 - 1.5 - 2.0 - 2.5 - 3.0 - 3.5 - 4.0 - 4.5 - 5.0 Acilit®
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高性能OD 4.0 短波通滤光片
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恒谱生液相色谱HPLC直连保护柱3.0*4.0mm
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分子筛SBA-16,孔径:2.5-4.0nm
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氨测试预装试剂 Method: photometric 4.0 - 80.0 mg/l NH₄-N 5.2 - 103.0 mg/l NH₄⁺ Spectroquant®
Ammonium Cell Test Method: photometric 4.0 - 80.0 mg/l NH4-N 5.2 - 103.0 mg/l NH4+ Spectroquant
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