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- 美国哈希HACH 总硬度检测试剂盒145300(1453-00)
- 美国哈希HACH 总硬度检测试剂盒145300(1453-00)
Trust the original Hach test kit! Simple drop-count titration measures hardness as CaCO3 (1 gpg = 17.1 mg/L). Utilizes drop count titration with a range of 1-30 gpg. Contains approximay 100 tests.
- Utilizes drop count titration - a simple, economical titration method