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Products

Product name	Specifications	Packing	Unit price / yuan
Sodium bromate	0.1 N	Branch
Sodium tetraborate	0.1 N	Branch
Calcium carbonate	0.1 N	Branch
Zinc oxide	0.1 N	Branch
Iodine	0.1 N	Branch
Potassium thiocyanate	0.1 N	Branch
Potassium carbonate (anhydrous)	0.1 N	Branch
C (Cl < sub >-, NO < sub > 3 -, PO < sub > 4 3 , SO < sub > 4 2 )	250mg/L < br > 500mg/L < br > 1000mg/L	100ml
C [C (NO < sub > 3 -), N (NH < sub > 4 + ), P (PO4 3 )]	500mg/L < br > 100mg/L	100ml
Sodium ion standard solution	PNa=2, 3, 4, 5, 6	100ml
PH Reference Material (Plastic Bag Package)	PH=1. 68 < br > pH=4. 00 < br > < br > pH=6. 86 < br > < br > pH=9. 18 < br > < br > PH=7. 42 < br > PH=10. 0 < br > PH=4, 6.86, 9.18	Bag < br > Bag < br > 5 Bag < br > Bag < br > 5 Bag < br > Bag < br > 5 Bag < br > Bag < br > Bag < br > Bag < br > 3 Small/Large Bag
Silver sulfate	0.1 mol/L	Branch
Anhydrous sodium carbonate	0.1 mol/L	Branch
EDTA-disodium	0.02 mol/L, 0.05 mol/L	Branch
Potassium iodide	0.1 mol/L	Branch