GFS Chemicals & Solutions

C₂H₄O₂S CAS#: 68-11-1 F.W.: 92.12 Mercaptoacetic Acid

(C₂H₅)₂O CAS#: 60-29-7 F.W.: 74.12 NFPA#: 2-4-2 Specific Gravity: 0.710 Descriptions: Stablilzed with 2,6-di-tert-butyl-p-cresol 0.0001%

TEST Turbidity (Hach 2100N/AN and IS meters) 20 NTU Absorbance at 455nm (50mm pathlength) Lot Number of Baseline Material

HgO CAS#: 21908-53-2 F.W.: 216.59

Made from potassium chloride. Conductivity 100 +/- 1 uS/cm NIST Traceable

Conductivity 25,000 +/- 200 uS/cm Made from potassium chloride.

Concentration 1,000 +/- 10 ug/ml Matrix: 5% Nitric acid NIST Traceable

NaOH CAS#: 1310-73-2 F.W.: 40.00 0.02 mol/L

KH₂PO₄ CAS#: 7778-77-0 F.W.: 136.09

MnSO₄•H₂O CAS#: 10034-96-5 F.W.: 169.02

ACS Reagent Grade

(CH₃)₃COK CAS#: 865-47-4 F.W.: 112.22

Yb(O₂CCF₃)₃•XH₂O CAS#: 87863-62-5 F.W.: 512.09 X hydrate is approximately 3.

CH₃OH CAS#: 67-56-1 F.W.: 32.04 Suitable for LC-MS

Concentration 1,000 +/- 10 ug/ml Matrix: 20% Hydrochloric acid NIST Traceable

HCl CAS#: 7647-01-0 F.W.: 36.46 NFPA#: 2-0-2 Specific Gravity: 1.000 0.01 mol/L

Suitable for use in Chromatography of pesticide residues. Magnesium Silicate Activated at 675 C.

H₂O₂ CAS#: 7722-84-1 F.W.: 34.02 Retest concentration regularly.

C

NH₄H₂PO₄ CAS#: 7722-76-1 F.W.: 115.03

Ammonium Peroxydisulfate

TiO₂ CAS#: 13463-67-7 F.W.: 79.90 -325 mesh

C₁₅H₁₄N₃O₂Na

ICl CAS#: 7790-99-0 F.W.: 162.36 Suitable for use in Wijs Solution.