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

HOCOC₆H₄COOK CAS#: 877-24-7 F.W.: 204.23

pH (@ 25°C) 1.00 +/- 0.06 NIST Traceable

High purity solution for use in liquid chromatography applications.

Properties Ag 0.01 ppm Al 0.01 ppm As 0.01 ppm B 0.01 ppm Ba 0.01 ppm Bi 0.01 ppm Ca 0.03 ppm Cd 0.01 ppm Co 0.01 ppm Cr 0.01 ppm Cu 0.01 ppm Fe 0.03 ppm K 0.01 ppm Li 0.05 ppm Mg 0.05 ppm Mn 0.01 ppm Mo 0.01…

Turbidity 40 NTU +/- 0.4 Absorbance at 455nm (50mm pathlength) Lot Number of Baseline Material

Made from potassium chloride. Conductivity 50,000 +/- 500 uS/cm

C₄H₈O CAS#: 109-99-9 F.W.: 72.11 Stabilized with 0.025% BHT

Formula: C₆H₅CH₃ F.W.: 92.14 Specific Gravity: 0.867 DOT: 3/II

HNO₃ CAS#: 7697-37-2 F.W.: 63.01 Metals analysis reported on certificate in ppm.

Formula: C₄H₈ONC₂H₄SO₃H•H₂O CAS#: 145224-94-8 F.W.: 213.26 DOT: NR

Reagent Grade

ACS Reagent Grade, Heptahydrate

Formula: HNO₃ CAS#: 7697-37-2 Formula Weight: 63.01 Specific Gravity: 1.408 NFPA#: 3-0-3 DOT: 8/5.1/II

CH₃OH CAS#: 67-56-1 F.W.: 32.04 Low acetone. Methanol

For all EPA 180.1 turbidimeters. TEST Turbidity 0.1 NTU +/- 0.02 Absorbance at 455nm (100mm pathlength) Lot Number of Baseline Material

ACS Reagent Grade

HBr CAS#: 10035-10-6 F.W.: 80.91 Specific Gravity: 1.500

SiO₂ CAS#: 7631-86-9 F.W.: 60.09 Intermediate density adsorbent.

C₇H₁₆ CAS#: 142-82-5 F.W.: 100.20

For volumetric titrations. Titer approx. 5 mg/ml.

Na₂S₂O₈ CAS#: 7775-27-1 F.W.: 238.10

Formula: N/A Formula Weight: N/A CAS #: N/A Synonym(s): Platinum-Cobalt base

CoCl₂•6H₂O

ACS REAGENT GRADE

6 x 500mL kit contains 2 x 500 ml of each pH 4 red (GFS 1634), pH 7 yellow (GFS 1639) and pH 10 blue (GFS 1645). The 3 x 4L kit contains 1 x 4L of each of the above items.

ACS Reagent Grade

(NH₄)₂C₂O₄•H₂O CAS#: 6009-70-7 F.W.: 142.11 Reagent Grade Solution

NaOH CAS#: 1310-73-2 F.W.: 40.00 Suitable for Kjeldahl use.

1. Turbidity 10 NTU +/- 0.1 2. Absorbance at 455nm (100mm pathlength) 3. Lot Number of Baseline Material