SUPELCO
Total Hardness Test
总硬度试纸
Magnesium sulfate heptahydrate
硫酸镁 七水合物
Iron(II) chloride tetrahydrate
Spectromelt® B 10
Chlorine Test
Chloramine T Trihydrate
ICP multi-element standard solution XIII
Potassium chloride solution (nominal 0.147 mS/cm)
氯化钾 溶液
Potassium dihydrogen phosphate solution
磷酸一钾
COD Standard Solution, CRM
TLC Silica gel 60 F254
TLC 硅胶 60 F254
SeQuant® ZIC-HILICTM 5μm,200Å 100 x 2.1 mm