| Product name | Specifications | Packing | Unit price / yuan |
| Potassium hydrogen tartrate | PH=3. 60 ± 0. 02 25 ° C | 500ml | |
| Potassium dihydrogen citrate | PH=3. 80 ± 0. 02 25 ° C | 500ml | |
| Mixed phosphate II | PH=7. 40 ± 0. 02 25 ° C | 500ml | |
| Borax | PH=9. 18 ± 0. 02 25 ° C | 500ml | |
| Carbonate | PH = 10.00 ± 0.02 25 ° C | 500ml | |
| Potassium trihydrogen oxalate | PH=1. 68 ± 0. 02 25 ° C | 500ml | |
| Sodium chloride-ammonium hydroxide | PH = 7.00 ± 0.02 25 ° C | 500ml | |
| Acetic acid-sodium acetate buffer | PH=4. 00 ± 0. 02 25 ° C | 500ml | |
| Sodium chloride-peptone buffer solution | PH=7. 00 ± 0. 02 25 ° C | 500ml | |
| PH standard concentrated buffer solution | < p > pH=1. 00 & plusmn; 0.02 25 & deg; C < br/> pH=2. 00 & plusmn; 0.02 25 & deg; C < br/> pH=3. 00 & plusmn; 0.02 25 & deg; C < br/> pH=4. 00 & plusmn; 0.02 25 & deg; C < br/> pH=5. 00 & plusmn; 0.02 25 & deg; C < br/> pH=6. 00 & plusmn; 0.02 25 & deg; C < br/> pH=7. 00 & plusmn; 0.02 25 & deg; C < br/> pH=8. 00 & plusmn; 0.02 25 & deg; C < br/> pH=9. 00 & plusmn; 0.02 25 & deg; C < br/> pH=10. 00 & plusmn; 0.02 25 & deg; C < br/> pH=11. 00 & plusmn; 0.02 25 & deg; C < br/> pH=12. 00 & plusmn; 0.02 25 & deg; C < br/> pH=13. 00 & plusmn; 0.02 25 & deg; C | 500ml | |
| Volatile buffer | PH=1. 9 < br > PH=2. 1 < br > PH=3. 1 < br > PH=3. 6 < br > PH=3. 7 < br > PH=4. 1 < br > PH=5. 4 < br > PH=6. 5 < br > PH=6. 5 (high voltage paper current) < br > PH=7. 9 < br > PH=8. 0 | 500ml | |
| Buffer for coordination titration | PH=8. 0 < br > PH=8. 3 < br > PH=8. 9 < br > PH=9. 3 < br > PH=2 < br > PH=2-3 < br > PH=2-4 < br > PH=4-6.5 < br > PH=5-7 < br > PH=6. 5-8 < br > PH=10 < br > PH=12-13 | 500ml | |
| Mineral oil | 0.1 mg/ml | 5ml | |
| Benzene (single standard) | 100g/ml | 5ml | |
| Ethylbenzene (single standard) | 100g/ml | 5ml |
Contact: Carter Cao.
Tel/fax: +86-13802127750, +86-18622107711
Technical consultant：Peng.Zhao TEL：001（651）283-9609
Email : cartercao@hotmail.com
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