Used to confirm consistent instrument response. For Fluoride SPADNS method, 0-2.0 mg/L as F⁻ Used to confirm consistent instrument response. Set contains four vials filled with gels that simulate the test color at various concentrations. SpecCheck Secondary Standards Kits also include instructions, plastic case and Certificate of Analysis. Vials are filled with gels that simulate the test color at various concentrations. SpecCheck Standards are computer-formulated and have a two-year shelf life from date of manufacture. Hach SpecChecks are non-hazardous and do not require an SDS. 用於確認儀器響應的一致性。對於氟化物 SPADNS 方法，濃度範圍為 0-2.0 mg/L（以 F⁻ 計）。用於確認儀器反應的一致性。套組包含四個裝有凝膠的小瓶，小瓶中裝有凝膠可模擬不同濃度下的測試顏色。 SpecCheck 二級標準品試劑盒包括說明書、塑膠盒和分析證書。SpecCheck 標準品採用電腦調配，自生產日起保存期限為兩年。 Hach SpecCheck 標準品無害，無需安全資料表 (SDS)。

Method Name : SPADNS
Concentration : 0 - 2.00 mg/L F

Instrument : All except DR/3000, DR 900, DR/800 and DR300.
*使用 Hach 分光光度計進行分析

關鍵字 : 水中氟 標準溶液