SUPELCO
UV-VIS Standard 3: Sodium iodide solution
Kjeldahl tablets
Iron Test
Potassium Bromide
溴化钾
1,5-Diphenylcarbazide
Ammonium Test
铵测试
Desiccant sachet 3 g
LiChrospher® 60 RP-select (5 μm) LiChroCART® 250-3
Manganese(II) sulfate tetrahydrate
Purospher® STAR RP-18 endcapped (5 μm) LiChroCART® 125-4
Sodalime
Indicator buffer tablets
pH-indicator strips pH 4.0-7.0
Copper(II) sulfate anhydrous