BAIJIAN - a professional third-party testing and inspection platform that provides related testing and inspection services such as food grade white oi
Method Summary: Extract water-soluble acids or bases from the sample using distilled water or ethanol aqueous solution, and then check the color change of the extract using methyl orange or phenolphthalein indicators respectively, or measure the pH value of the extract using a pH meter to determine the presence of anhydrous soluble acids or bases. 2 instruments 2-1 separating funnel: 250 or 500 mL. 2.2 Test tubes; The diameter is 15-20 mm, the height is 140-150 mm, and it is made of colorless glass. 2-3 funnels; Ordinary glass funnel. 2-4 Simplified: 25,50 and 100 mL. 2.5 Conical flasks: 100 and 250 mL. 2.6 Porcelain evaporating dish. 2.7 Electric heating plate and water bath. 2.8 Acidity meter; Equipped with a glass silver chloride electrode (or glass calomel electrode), with an accuracy of pH ≤ 0.01pH
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
Contact: Mr. Li
Phone: 156-0190-2607
Tel: 400-101-7153
Email: service@Baijiantest.com
Add: No. 700, Yishan Road, Xuhui District, Shangha