Смола-специфической адсорбции золота
Indicator Parameter
Functional group -N+(CH3) 2H2O
Appearance Milky white opaque sphere
Finished form CLˉ
Moisture content % 45-55
Weight whole exchange capacity mmol/g ≥5.0
Volume whole exchange capacity mmol/ml ≥1.50
Wet density g/ml 1.05-1.1
Wet real density g/ml 0.68-0.75
Particle size range % (0.6-1.80mm)≥95%
Granularity （<0.6mm）≤1.0
Uniformity coefficient 1.5
Sphere rate after abrasion % ≥95%
Indicator Parameter
Regeneration concentration HCl:2-4%；/NaOH:2-4%
pH range 1-10
Highest use temperature℃ OH-100/Cl-40
Expansion rate (OHˉ→Clˉ)% ≤15-20%
Operational flow speed m/h 10-30
Desorption ： "Resin adsorption of gold thiourea with 9% + 3% sulfuric acid analysis, analytical dosage of 6-8 times the bed volume, contact time with Resin for 2h or more.
"
Regeneration process： Resin after resolution after washing, rinse with 2-3 times the bed volumeNaOH, about 1 hour, then rinse renewable HCl solution, the dosage is 2 times the bed volume, time is about 1.5h, washed clean and odor can be the last. (Regeneration concentration reference Reference of indicator)
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Метилен хлористый (метиленхлорид, метилен хлорид) |
检测项目 指标
二氯甲烷 % ≥ 99.95
水 % ≤ 0.01
酸(以HCl计) % ≤ 0.0004
色度 Hazen单位 （Pt-Co色号） ≤ 10
蒸发残渣 % ≤ 0.0005
添加稳定剂的量不计入二氯甲烷的质量分数。
包装:净重为... |
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Цинковый купорос |
Testing Items monohydrate heptahydrate
Appearance White powder --
Zinc Sulphate content % ≥ 96.09 99
Zn % ≥ 35 22.51
Pb % ≤ 0.001 0.00... |
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Алюминиевые триполифосфата |
Model APW-1 APW-2 ATP
Phosphorus pentoxide(%) ≥ 42.5-46.5 35.0-40.0 64-68
Aluminum oxide(%) ≤ 11.0-15.0 9.5-13.5 13-17
Silica(%) ≤ 13.5... |
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DL-Метионин |
Project Name Quality indicators
Superior grade First grade
Shape White or light gray powder
DL-Methionine% ≥ 99 98.5
Loss on drying% &le... |
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Биромат натрия |
Item Index
Sodium Dichromate（Na2Cr2O7O2H2O）% ≥ 99.3
Sulfate（SO4）% ≤ 0.2
Chloride（CL-）% ≤ 0.1
Package: 50kg plastic woven bag with plas... |
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