... Tech Grade ITEMSSTANDARDDescriptionWhite or yellow powder or granulesIdentificationMeets the requirementsLoss on drying ,%1.2maxReducing substances ,%1.2maxChloride, %0.1maxSulfate, %0.05maxAssay , %98 ... Food Grade ITEMSSTANDARDDescriptionWhite or yellow powder or granulesIdentificationMeets the requirementsLoss on drying ,%0.5 maxReducing substances ,%0.7 maxChloride, %0.07 maxSulfate ...