This product can be used for titration analysis, qualitative and quantitative analysis, etc. It should be stored in a cool, ventilated place, sealed, and used within its expiration date. To obtain the product's Certificate of Analysis (COA), please visit www.howeipharm.com to view and download it.
Standard : GB/T 6909-2018 锅炉用水和冷却水分析方法 硬度的测定
Product No. : QBW(E)CD457618
Product Name : Total hardness solution standard substance in water
Product Spec. : 100 mg/L(以CaCO3计)
Packges : 100mL 500mL 1L 5L
颜色外观 : 无色透明溶液
浓度(以CaCO3计) : 100 mg/L
Shelf Life ： 365 Days
Certificate(RM) ： Certified
COA ： Have COA
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