Analysis and detection of drinking water quality

The water quality testing items for drinking water include microbial indicators: fecal coliform group, total coliform group, total bacterial count, Staphylococcus aureus heavy metals: lead, mercury, chromium, cadmium, arsenic, hexavalent chromium, silicon dioxide, chromium, barium, silver, beryllium, bismuth, cobalt, antimony, vanadium, indium, thallium, thorium, uranium physicochemical indicators: chromaticity, turbidity, pH, conductivity, total hardness, alkalinity (total alkalinity, bicarbonate and carbonate), acidity, transparency Chemical oxygen demand CODcr, biological oxygen demand BOD5, permanganate index, dissolved oxygen DO, residue, volatile phenols, Kjeldahl nitrogen, mineralization degree volatile organic compounds: benzene, toluene, nitrobenzene, total organic halides, petroleum, organic matter semi volatile organic compounds: phthalate polycyclic aromatic hydrocarbons, organic chlorine, organic phosphorus, chlorobenzene, phenols

The water quality detection methods for drinking water are flame emission spectrophotometry, ion chromatography Sodium ethylenediaminetetraacetic acid titration method, phenanthroline spectrophotometric method, ammonium persulfate spectrophotometric method, flameless atomic absorption spectrophotometric method, sodium diethyldithiocarbamate spectrophotometric method, zinc reagent cyclohexanone spectrophotometric method, catalytic oscillopolarography, cold atomic absorption method, atomic fluorescence method, hydrophobic cotton enrichment potassium periodate spectrophotometric method, flame emission spectroscopy method

Function of testing report:

1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report

2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms

3. Used as a sales report: issuing legally effective testing reports to make consumers more confident

4. Papers and research: Provide professional personalized testing needs

5. Judicial services: providing scientific, fair, and accurate testing data

6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problems

BAIJIAN testing process:

1. Telephone communication and confirmation of requirements

2. Recommend solutions and confirm quotations

3. Mail samples and arrange testing

4. Progress tracking and result feedback

5. Provide reports and after-sales service

6. If urgent or priority processing is required

Our Competitive Edge:

1. The testing industry is fully covered, meeting different testing needs

2. Fully cover the laboratory and allocate localized testing nearby

3. Engineers provide one-on-one services to make testing more accurate

4. Free initial testing, with no testing fees charged

5. Self service order delivery for free on-site sampling

6. Short cycle, low cost, and attentive service

7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc

8. The testing report is authoritative and effective, and is generally used in China