- 4
- 仪器校准
- 41116107
- 100 mL
- Calcium carbonate (ICP grade) (as calcium)
500 mg/L
CAS #: 471-34-1 - Potassium nitrate (as N)
100 mg/L
CAS #: 7757-79-1 - Sodium carbonate (as carbonate)
500 mg/L
CAS #: 497-19-8
- 2% Nitric acid
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