SUPELCO
Potassium standard
Diphenylamine-4-sulfonic Acid Barium Salt
Ammonium Cell Test
铵测试管
2′,7′-Dichlorofluorescein
BOD Nutrient-Salt Mixture
Chlorine Dioxide Test
Chromolith® CapRod® RP-18 endcapped 150-0.2 capillary column
Chromolith® Performance RP-18 endcapped 100-3 HPLC column
di-Potassium hydrogen phosphate trihydrate
Fluorescent indicator F254
HPTLC硅胶60, HPTLC Silica gel 60
HPTLC Silica gel 60 RP-18
HPTLC硅胶60 RP-18
Ion exchanger Amberlyst® 15
CombiCheck 10
Cyanide standard solution