GB/T 5750.6-2006#Standard inspection methods for drinking water - Metal indicators # Water and wastewater # * Calcium
GB/T 11905-1989#Water quality - Determination of calcium and magnesium - Atomic absorption spectrophotometry - Water and wastewater - Calcium
HJ 812-2016#Water quality - Determination of soluble cations (Li+, Na+, NH4+, K+, Ca2+, Mg2+) - Ion chromatography method - Water and wastewater - Calcium
GB 5413.21-2010#National standard for food safety - Determination of calcium, iron, zinc, sodium, potassium, magnesium, copper, and manganese in infant and young child food and dairy products - Food # * Calcium
GB/T 5009.92-2003#Determination of calcium in food # Food # * Calcium
GB/T 14609-2008#Grain and oil inspection - Determination of copper, iron, manganese, zinc, calcium, and magnesium in grains and their products - Flame atomic absorption spectrometric method - Food # * Calcium
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 problemsBAIJIAN inspection and 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 requiredTesting and testing characteristics:
1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. 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