黃金的化學符號為Au,黃金的顏色為金黃色,金屬光澤,難分解。硬度2-3(摩氏硬度),19.3(克/厘米),熔點1064.4℃;具良好的延展性,能壓成薄箔,具的傳熱性和導電性,的電阻為2.4p。具有良好的抗化學腐蝕性,是好的電鍍材料。
典型特性(TYPICAL CHARACTERISTICS): Tulsion? A-21 S
型式/Type 強堿性陰離子交換樹脂/Strong base anion exchange resin
主體結構/Matrix structure 交聯聚苯乙烯/Cross-linked Polystyrene
物理型式/Physical form 濕潤球狀/Moist Spherical beads
離子型式/Ionic form 氯/Chloride
總交換容量/Total exchange capacity 1.3 meq/ml
目數/Screen size USS(wet) 16 to 50
粒徑/Particle size 0.3 - 1.2 mm
濕度/Moisture content 54±3%
PH范圍/PH range 0 - 14
反洗密度/Backwash settled density 42 - 44lbs/ft3(670 - 710 g/L)
溶解性/Solubility 不溶/Insoluble in all common solvents
操作條件特性(TYPICAL OPERATING CONDITIONS): Tulsion? A-21 S
操作溫度/ Max Operating temperature 60℃
樹脂床高度/Resin bed depth 800 mm
流速/Maximum service flow 60 m2/hr/m2
逆洗膨脹空間/Backwash expansion space 60 - 75%
逆洗流速/Backwash flow rate 5 - 10 m?/hr/m?
再生劑/Regenerant NaOH
再生程度/Regeneration level 40 - 160 g/l
再生劑濃度/Regenerant concentration 4-5%
再生流速/Regeneration flow rate 5- 10 m?/hr/m?
再生時間/Regeneration Contact time 30- 60 min
再生慢流速/Regeneration slow rinse 2 BV minimum
慢沖洗流速/Slow rinse flow rate
再生流速/At regeneration flow rate 快/Fast
工作流速/At service flow rate
快沖洗量/Fast Rinse Volume 4- 6 BV