Potassium dichromate standard solutions in sulfuric acid (0.01N)

用于 Agilent^® 仪器的 PTFE 填充柱, PTFE Packed GC Column (General Configuration)

吹扫/捕集器 A, Purge Trap A, CDS

吹扫/捕集器 H, Purge/Trap H

吹扫/捕集 K Vocarb^® 3000, Purge/Trap K Vocarb^® 3000

用于薄层层析板的试剂喷雾器, Reagent sprayer for TLC plates

MSA 管固定装置部件修理套件, Repair Kit of Parts for MSA Tube Holder

反相试验混标 1, Reversed Phase Test Mix

Sapphire Injector

Screw cap, solid top with aluminum liner, pkg 100

带铝衬垫的顶部实心螺纹瓶盖