Sodium sulfate|M-Phenylenediamine|Anhydrous sodium sulfate |Ethyl chloride|Ammonium bicarbonate|Aquafortis|N,N-dimethylaniline--Hongze Yinzhu Chemical Group Co, Ltd

Dry ice standard Q/(HG)GD15-94

Index name	Value
	First grade	Salable product
CO₂ % ≥	99.9	99.8
sulphurous acid , nitrous acid	NA
carbon monoxide , hydrogen sulphide , phosphine and organic reductant	NA
Oil	NA
Acidity	meet standard
Odor	no smell
Involatile residue , %(m/m)	0.005	0.010

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