GFS Chemicals & Solutions

C₆H₅CH₂OH CAS#: 100-51-6 F.W.: 108.14

1000 ppm nitrogen from ammonium chloride, 1220 ppm ammonia. Concentration (as N) 1,000 +/- 10 ug/ml Matrix: Ammonium chloride in water NIST Traceable

(CH₃)₂NC₅H₄N CAS#: 1122-58-3 F.W.: 122.17

C₆H₅OH CAS#: 108-95-2 F.W.: 94.11

C₆H₄(COO(CH₂)₃CH₃)₂ CAS#: 84-74-2 F.W.: 278.34

KCl CAS#: 7447-40-7 F.W.: 74.55 For pH electrodes. 4 mol/L

NaOH CAS#: 1310-73-2 F.W.: 40.00 NFPA#: 3-0-2 Specific Gravity: 1.020 0.5 mol/L

HClO₄ CAS#: 7601-90-3 F.W.: 100.46

NiCl₂•6H₂O CAS#: 7791-20-0 F.W.: 237.72

ACS Reagent Grade

HgCl₂ CAS#: 7487-94-7 F.W.: 271.50 NFPA#: 4-0-1

(CH₃)₂CO CAS Number: 67-64-1 Specific Gravity: 0.791 F.W.: 58.08 DOT: 3/II NFPA#: 1-3-2

CH₃COOH CAS#: 64-19-7 F.W.: 60.05 Metals analysis reported on certificate in ppm.

KI CAS#: 7681-11-0 F.W.: 166.00

TEST Turbidity (on Hach 2100Q IS) 100 NTU Absorbance at 455nm (10mm pathlength) Lot Number of Baseline Material

Concentration 10,000 +/- 100 ug/ml Matrix: 5% Nitric acid NIST Traceable

Na₂B₄O₇ CAS#: 1330-43-4 F.W.: 201.22

In 0.001 N perchloric acid. For testing the absorbance scale and linearity of UV Spectrophotometers.

Na₂S₂O₃•5H₂O CAS#: 10102-17-7 F.W.: 248.18 Specific Gravity: 1.140 1.0 mol/L

ACS Reagent Grade

TEST Turbidity 600 NTU +/- 6 Absorbance at 455nm (10mm pathlength) Lot Number of Baseline Material

Trace metal grade. Low ppb metal impurities. Note: Results reported at time of bottling in glass. The levels of Al, B, Ca, K, Mg, Mn, Na and Si will increase over time.

H₂O CAS#: 7732-18-5 F.W.: 18.015 Applicable for use in LC/UV gradient and microelectronics. Ultra-low trace organics and metals.