Kyoritsu LR-Zn-RB Pretreatment Reagent for Zinc (Using with KCN)

Pretreatment using with KCN for measuring Zinc (require 5% Potassium Cyanide for Pretreatment)

Product Name	Kyoritsu LR-Zn-RB Pretreatment Reagent for Zinc (Using with KCN)
Model	LR-Zn-RB
Color Change	Brown → Blue
Measureing Method	Zincon Method
Range	0.15 ∼ 2.00 mg/L
Reagent	5% KCN Solution (Should be prepared as pretreatment reagent) LR-ZnB No. 26B Zn-RB (Powder) , R-1 (Pack)
Reaction Time	5 min.
Quantity (pcs./box)	30
Outer Box Size	160L × 35W × 107H mm
Total Weight	approx. 150 g

Procedure (Other metals coexist: KCN Solution should be used.)


Press Zn-KCN Press Enter to change over to the display of measurement procedure. Fill the round cell with 25 mL of sample (up to the line). Insert the round cell into the cell box with ▼ of Round Cell facing ▲ of cell box. Press Blank.	Take out the round cell and add 0.5 mL of 5% KCN solution into the round cell. Cap the round cell tightly and stir the round cell 5 - 6 times. Wait for 1 min.	Add a level spoonful of Zn-RB reagent with an attached spoon into the round cell. Cap the round cell tightly and stir the round cell 5 - 6 times.	Add R-1 reagent into the round cell the press Start. Cap the round cell tightly and stir the round cell 5 - 6 times.	Before 5 minutes pass, insert the round cell into the cell box with ▼ of Round Cell facing ▲ of cell box. After 5 minutes passed, the measurement will be displayed automatically.