Polyphosphates (3) (GS-220 HQ)

Polyphosphates were analyzied using 2 pieces of Asahipak GS-220 HQ.


Sample : Polyphosphates
1. Sodium methaphosphate, (NaPO₃)_n
2. Sodium tetrapolyphosphate, Na₆P₄O₁₃
3. Sodium triphosphatec, Na₅P₃O₁₀
4. Sodium pyrophosphate, Na₄P₂O₇
5. Sodium phosphate tribasic, Na₃PO₄
6. NaCl

Columns      : Shodex Asahipak GS-220 HQ (7.5mmID*300mm) x 2
Eluent       : 50mM NaCl aq.
Flow rate    : 0.6mL/min
Detector     : Shodex RI
Column temp. : 60deg-C