Danh sách một số hóa chất Sigma Aldrich- Hóa chất cơ bản

Danh sách một số chất cơ bản của hãng Sigma Aldrich. Tên chất với code và độ tinh khiết tương ứng.

5-Sulfosalicylic acid dihydrate

247006 ACS reagent, =99% (Sigma-Aldrich)

S2130 ReagentPlus®, =99% (Sigma-Aldrich)

86195 purum p.a., =98.0% (T) (Sigma-Aldrich)

2. Acetic acid

33209 puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., =99.8% (Sigma-Aldrich)

695092 ACS reagent, =99.7% (Sigma-Aldrich)

338826 =99.99% trace metals basis (Sigma-Aldrich)

3. Ammonium carbonate

207861 ACS reagent, =30.0% NH3 basis (Sigma-Aldrich)

68392 tested according to NF (Aldrich)

11204 puriss., meets analytical specification of NF, Ph. Franc., FCC (Sigma-Aldrich)
pricing

320145 ACS reagent, 28.0-30.0% NH3 basis (Sigma-Aldrich)

221228 ACS reagent, 28.0-30.0% NH3 basis (Sigma-Aldrich)

05003 puriss., meets analytical specification of Ph. Eur., 25-30% NH3 basis (Sigma-Aldrich)

237108 ACS reagent, =99% (Sigma-Aldrich)

11729 puriss. p.a., ACS reagent (Sigma-Aldrich)

329436 99.98% trace metals basis (Aldrich)

4. Barium hydroxide octahydrate

217573 ACS reagent, =98% (Sigma-Aldrich)

B2507 =98% (Sigma-Aldrich)

5.Benzoic acid

242381 ACS reagent, =99.5% (Sigma-Aldrich)

33047 puriss. p.a., ACS reagent, reag. Ph. Eur., =99.9% (alkalimetric) (Sigma-Aldrich)

109479 ReagentPlus®, 99% (Sigma-Aldrich)

6. Boric acid

B0394 ACS reagent, =99.5% (Sigma-Aldrich)

31146 puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., buffer substance, =99.8% (Sigma-Aldrich)

7. Calcium carbonate

239216 ACS reagent, =99.0%, powder (Sigma-Aldrich)

398101 ACS reagent, chelometric standard, 99.95-100.05% dry basis (Sigma-Aldrich)

C4830 BioXtra, =99.0% (Sigma-Aldrich)

8. Calcium hydroxide

239232 ACS reagent, =95.0% (Sigma-Aldrich)

9. Chloroacetic acid

402923 ACS reagent, =99.0% (Sigma-Aldrich)

C19627 99% (Sigma-Aldrich)

10. Chloroplatinic acid hexahydrate

206083 ACS reagent, =37.50% Pt basis (Sigma-Aldrich)

P5775 powder and chunks (Sigma-Aldrich)

11. Citric acid

251275 ACS reagent, =99.5% (Sigma-Aldrich)

C83155 99% (Sigma-Aldrich)

V900019 Vetec™ reagent grade, 99% (Vetec)

12. Citric acid monohydrate

C1909 ACS reagent, =99.0% (Sigma-Aldrich)

33114 puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., buffer substance, 99.5-102% (Sigma-Aldrich)

V900129 Vetec™ reagent grade, =98% (Vetec)

13. Formic acid

695076 ACS reagent, =96% (Sigma-Aldrich)

399388 ACS reagent, 88-91% (Sigma-Aldrich) Green Alternative

F0507 reagent grade, =95% (Sigma-Aldrich)

14. Gallic acid monohydrate

398225 ACS reagent, =98.0% (Sigma-Aldrich)

15. Hydriodic acid

248649 contains =1.5% hypophosphorous acid as stabilizer, ACS reagent, =47.0% (Sigma-Aldrich)

398098 contains no stabilizer, ACS reagent, 55% (Sigma-Aldrich)

58159 puriss. p.a., ACS reagent, =47% (T) (Sigma-Aldrich)

16. Hydrobromic acid

438065 ACS reagent, 48% (Sigma-Aldrich)

244260 ACS reagent, 48% (Sigma-Aldrich)

268003 reagent grade, 48% (Sigma-Aldrich)

17. Hydrochloric acid

30721 puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., fuming, =37%, APHA: =10 (Sigma-Aldrich)

320331 ACS reagent, 37% (Sigma-Aldrich)

339253 37 wt. % in H2O, 99.999% trace metals basis (Sigma-Aldrich)

18. Hydrofluoric acid

30107 puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., =48% (Sigma-Aldrich)

01066 technical, 40-45% (Sigma-Aldrich)

V800207 LR, 39-43% (Vetec)

19. Iodic acid

221929 ACS reagent, =99.5% (Sigma-Aldrich)

58060 puriss. p.a., ACS reagent, =99.5% (RT) (Sigma-Aldrich)

20. Iron(III) chloride hexahydrate

236489 ACS reagent, 97% (Sigma-Aldrich)

F2877 reagent grade, =98%, chunks (Sigma-Aldrich)

21. L-Ascorbic acid

33034 puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., 99.7-100.5% (oxidimetric) (Sigma-Aldrich)

255564 ACS reagent, =99% (Sigma-Aldrich)

22. L-(+)-Tartaric acid

251380 ACS reagent, =99.5% (Sigma-Aldrich)

33801 puriss. p.a., reag. ISO, reag. Ph. Eur., 99.5-101.0% (calc. to the dried substance) (Sigma-Aldrich)

T109 =99.5% (Sigma-Aldrich)

23. Lactic acid solution

252476 ACS reagent, =85% (Sigma-Aldrich)

24. Lithium carbonate

255823 ACS reagent, =99.0% (Sigma-Aldrich)

431559 99.99% trace metals basis (Aldrich)

13010 purum, =99% (Sigma-Aldrich)

25. Lithium hydroxide monohydrate

402974 ACS reagent, =98.0% (Sigma-Aldrich)

13020 purum, =98.5% (Sigma-Aldrich)

L4533 BioXtra, 98.5-101.5% (titration) (Sigma-Aldrich)

26. meta-Phosphoric acid

239275 ACS reagent, chips, 33.5-36.5% (Sigma-Aldrich)

79613 puriss. p.a., ACS reagent, =33.5% (T) (Sigma-Aldrich)

M6288 BioXtra, =33.5% (Sigma-Aldrich)

27. Nitric acid

30702 puriss. p.a., ACS reagent, reag. ISO, =69% (Sigma-Aldrich)

438073 ACS reagent, 70% (Sigma-Aldrich)

695033 ACS reagent, 70% (Sigma-Aldrich)

28. Nitrilotriacetic acid

398144 ACS reagent, for complexometry, =98% (Sigma-Aldrich)

72560 ACS reagent, =99.0% (Sigma-Aldrich)