美国HACH哈希 40520 离子浓度校准液(价格优惠) 品牌:美国HACH哈希 品名:离子浓度校准液 货号:40520 适用仪器型号:APA6000硬度在线分析仪;9245 钠离子分析仪 参数大类:离子浓度校准液 浓度:10.00mg/L 体积:500mL 描述:Fluoride as F- (NIST) Fluoride Standard Solution, 2.0 mg/L as F (NIST), 500 mL For accuracy checks in fluoride determinations