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飲用水處理用產(chǎn)品.粒狀活性碳
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對(duì)應(yīng)法規(guī)：EN 12915-1
CNAS認(rèn)可項(xiàng)目：是 Test item 測(cè)試名稱: Virgin granular activated carbon 飲用水處理用產(chǎn)品.粒狀活性碳
粒徑大于180微米 Particle size greater than 180 microns
Test info 測(cè)試內(nèi)容:
1. Particle size distribution According to EN12902-Products used for treatment of water intended for human consumption. Inorganic supporting and filtering materials. Methods of test 2. Wettability Immersion of the product in boiling water.Cooling,sedimentation and filteration of the supernatant through a sieve to determine the quantity of material that is not wetted. 3. Bulk density packed The bulk density packed of granular activated carbon is determined by measuring the volume packed by a free fall from a vibrating feeder into a 100ml graduated cylinder and weighing the known volume. 4. Ball-pan hardness A screened and weighed sample of granular activated carbon is placed in a special hardness pan with a number of stainless steel balls,then subjected to a combined rotating and tapping action for 30 min. Degradation of particle size is determined by measuring the mass of granular activated carbon minimun particle size of the original sample. 5. Water-soluble material According to EN12902-Products used for treatment of water intended for human consumption. Inorganic supporting and filtering materials.Methods of test 6. Water-extractable substances According to EN12902-Products used for treatment of water intended for human consumption. Inorganic supporting and filtering materials.Methods of test 7. Iodine According to EN12902-Products used for treatment of water intended human consumption. Inorganic suppotring and filtering materials.Methods of test Test limit 限量要求:
1.Particle size distribution Test request Maximum Permissible Limit (%) 1) Oversize particles 1)+2)≤15 2) Undersize ≤5 2.Wettability Wettability (%) Maximum Permissible Limit (%) 99.99 ≥99 3.Bulk density packed Bulk density Maximum Permissible Limit (kg/m³） 488.9 ≥180 4.Ball-pan hardness Hardness Maximum Permissible Limit (%) 99.6 ≥75 5.Water-soluble material Impurity Maximum Permissible Limit % (m/m) #1 Ash 15 Water #2 （at the time of packing #3) 10 #4 Water-soluble material 3 Zinc 0.002 6.Water-extractable substances Substances Maximum Permissible Limit the extraction water (ug/L) Arsenic(As) 10 Cadmium(Cd) 0.5 Chromium(Cr) 5 Mercury(Hg) 0.3 Nickel(Ni) 15 Lead(Pb) 5 Antimony(Sb) 3 Selenium(Se) 3 Cyanide(CN) 5 PAH #1 0.02 7. Lodine Number lodine Number Maximum Permissible Limit (mg/g) 1941.2 600 Lead time 測(cè)試周期: 常規(guī) regular 30 working days
Sample size 送樣規(guī)格: 3KG
Others 其他信息:
Photo for reference 參考圖片：
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