PerkinElmer Inc.     N9304609

Hitachi® Graphite Contact Cylinders, AD 20 mm, One Pair

116 /Each

HACH Company     LCW825

Nitrate standard, 50 mg/L NO₃ (11.3 mg/L NO₃-N), 500 mL

52 /Each

PerkinElmer Inc.     135211-C6

ChromegaBond C6 LC Columns - 150 mm, 4.6 mm I.D., 5 μm

286 /Each

Welch Materials Inc.     H00216-21039

Ultisil XB-C4, 3 μm, 4.6 × 100 mm

384 /Each

MACHEREY‑NAGEL     MN732460

CHROMABOND Flash RS 4 SPHERE SiOH cartridges, spherical, 25 µm, 4 g

Special offer /Each

Nacalai Tesque Inc.     NU05004

COSMOSIL Quinoline Packed Column, 2.5µm, 3.0 mm I.D. x 150 mm

593 /Each

MACHEREY‑NAGEL     MN70205.36

Crimp neck vial, N 20, 20.5x54.5 mm, 10.0 mL, flat bottom, flat neck, clear

Special offer /Each

Cytiva     CYT28418248

Grade 542 Ashless Fine Precipitate FIlter, 70 mm circles (100 pcs)

32 /Each

Thermo Fisher Scientific Inc.     THM088768

ProPac™ WCX-10 Carboxylate Ion Exchange HPLC Column, 10 μm, 4 mm x 250 mm, 10 μm, 4 × 250 mm

Special offer /Each

Sartorius AG     FT-3-1104-125

Glass Microfiber Filters / Grade MGD

106 /Each

SHIMADZU CORPORATION     228-59907-94

Column, LC, Shim-pack XR-ODS II 2.2 micron, 1.5mm x 100mm

585 /Each

GL Sciences Inc.     GLS5020-16770

InertSustain NH2 HPLC Column, 3 µm, 75 x 1.0 mm (analytical)

532 /Each