CAS NO:77-09-8

EC NO:201-004-7

Molecular Formula:C₂₀H₁₄O₄

Molecular Weight:318.3287

Synonyms:;Phenolphthalein solution;3,3-bis(p-hydroxyphenyl)phthalide;,3-bis(4-hydroxyphenyl)-1(3H)-isobenzofuranore;3,3-bis(4-hydroxyphenyl)-2-benzofuran-1(3H)-one;2-[bis(4-hydroxyphenyl)methyl]benzoic acid;Phenolphthalien;

Molecular Structure:

CAS NO:50-81-7

EC NO:200-066-2

Molecular Formula:C₆H₈O₆

Molecular Weight:176.1241

Synonyms:;L-Ascorbic Acid, Free Acid;Vitamin C;L-(+)-Ascorbic acid;VC;ascorbic acid;Vita C BP2005;Vitamine C;L-threo-hex-1-enofuranos-3-ulose;(5R)-5-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxyfuran-2(5H)-one (non-preferred name);5-(1,2-dihydroxyethyl)-3,4-dihydroxyfuran-2(5H)-one (non-preferred name);Vit.C;Ascorbic Acid(VC);L-Ascorbic Acid;Ascorbate Acid;COATED ASCORBIC ACID;

Molecular Structure:

CAS NO:7439-89-6

EC NO:231-096-4

Molecular Formula:Fe

Molecular Weight:55.845

Synonyms:;Ironpowderelectrolytic;carbonyl iron;IronlumpNxxmmanddownirregular;IronfoilNmmthickxmmwide;IronchipsNmmthickxmmxmm;Stainlesssteelfoiltypexmm;Stainless steel powder;IronpowderNmicron;IronpowderNmesh;Iron powder(99%) 2N;Iron lump (99.98%) 12 x 12 x 2mm and down (irregular);Iron foil(99.5+%) 2N5;Iron chips (99.95%) 3N5;Stainless steel foil;Iron Filingsn (fine);Iron Filings (coarse);Iron (metal) Powder;Iron solution 1000 ppm;Iron solution 10 000 ppm;Iron nanopowder;Iron powder;Reduced Iron;

Molecular Structure:

CAS NO:7775-11-3;12680-48-7

EC NO:231-889-5

Molecular Formula:H₂CrNaO₄

Molecular Weight:140.9993

Synonyms:;DISODIUM CHROMATE;CHROMIC ACID DISODIUM SALT;caswellno757;chromateofsoda;chromicacid(h2cro4),disodiumsalt;Chromicacid(H2CrO4)disodiumsalt;chromiumdisodiumoxide;chromiumsodiumoxide;chromium, dihydroxydioxo-, monosodium salt;

Molecular Structure:

CAS NO:7789-00-6

EC NO:232-140-5

Molecular Formula:CrK₂O₄

Molecular Weight:194.1903

Synonyms:;Chromium(VI) Ion standard solution Fluka;Chromate ion chromatography standard solution Fluka;Chromium(VI) standard concentrate 10.00 g Cr(VI);Chromium(VI);dipotassium dioxido(dioxo)chromium;

Molecular Structure: