HANNA HI4010-12 2ppm氟化物标准液(TISAB II) (500 mL)

500 mL bottle of premium quality 2 ppm (mg/L) fluoride standard solution that is premixed with TISAB II ionic strength adjuster

2 ppm (mg/L) fluoride standard with TISAB II

Air tight bottle with tamper-proof seal

Lot number and expiration date printed on each label