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    Mineral Detection

    2008 new version of (GB8537-2008) on October 1, 2009 into effect, and the same period issued by (GB/T8538-2008) was in officially implemented on 2009 4. 1. The biggest improvement is in the new standard increased the bromate and three pathogens indicators, while the total number of colonies removed.
    Comparison between the new and old standards
    Limitation: eliminate a kind of bromide
    Limitation: Increase 4 kinds (Bromate, manganese, antimony, nickel); modified 4 kinds (cadmium, arsenic, boron, fluoride); deleted 4 kinds (lithium, strontium, iodide, zinc)

    Se /mg/l
    Sb /mg/l
    Arsenic /mg/l
    Copper /mg/l
    Ba /mg/l
    Cd /mg/l
    Cr /mg/l
    Lead /mg/l
    Hg /mg/l
    Mn /mg/l
    Ni /mg/l
    Ag /mg/l
    Bromate /mg/l
    Borate (in B terms)/mg/l
    Nitrate (NO3-meter to)/mg/l
    Fluoride (F-terms in)/mg/l
    Oxygen consumption (O2 meter)/mg/l
    Radioactive radium 226 /Bq/l

    Microbial indicators: microbiological indicators added three kinds (Streptococcus faecalis, Pseudomonas aeruginosa and Clostridium perfringens); remove a kind (total number of colonies)

    Fecal Streptococcus/CFU/250ml
    Pseudomonas aeruginosa/CFU/250ml
    Clostridium perfringens/CFU/50ml

    PPollution indicators: increase by 2 items (anionic synthetic detergents, mineral oil); modify 1 item (nitrite)

    Phenol (based on phenol)/mg/l
    Cyanide (CN-meter to)/mg/l
    Anion synthetic detergent /mg/l
    Mineral oil /mg/l

    Drinking water health standards (GB5749 - 2006)
    This standard which is the mandatory national standard, effective since July 1, 2007, the categories for water quality standards increased from original 35 to 106 kinds, an increase of 71, including:
    microbe increased from 2 to 6
    drinking water disinfectant target increased from 1 to 4
    toxicological indicators of inorganic compounds increased from 10 to 21
    toxicological indicators organic compounds increased from 5 to 53
    sensory properties and general physical and chemical indicators increased from 15 to 20

    Bottle (barrel) drinking water health standards (GB17324-2003)
    This standard for the mandatory national standard, effective since May 1, 2004, increased 4 physical and chemical indicators:
    pH 5.0-7.0
    Conductivity (25 1 ) (s / cm) 10
    potassium permanganate consumption (O2) (J / l) 1.0
    chloride (Cl ) (J / l) 6.0
    cyanide / (J / l) 0.002

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