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

NIST Traceable, non-toxic reference material for the UV spectrophotometer. Full UV scan reported with a typical absorbance at 300 nm in 10 mm pathlength being approximately 0.754.

TEST Turbidity (on Hach 2100P) 40 NTU Absorbance at 455nm (50mm pathlength) Lot Number of Baseline Material

The GFS Chemicals osmium tetroxide (0.01 M solution in 0.1 M sulfuric acid) is mainly used in research facilities and chemical laboratories to conduct wide range of experiments. It is available in sturdy bottle that endures heavy and rigorous usage. Application: For Professional, Scientific and…

CH₃CHO CAS#: 75-07-0 F.W.: 44.05 Ethanal

TEST Turbidity (AQ4500) EPA mode 1 NTU +/- 0.05 Turbidity (AQ4500) ISO Neph. mode Turbidity (AQ4500) IR Ratio mode Thermo Electron AQ4500 serial number Instrument calibration date Formazi

TEST Turbidity 30 NTU +/- 0.3 Absorbance at 455nm (100mm pathlength) Lot Number of Baseline Material

NIST Traceable, non-toxic reference material for the visible spectrophotometer. Full visible scan reported with a typical absorbance at 600 nm in 10 mm pathlength being approximately 0.072.

Transmittance (at 635 nm) 20%T +/- 0.3 %T

TEST Turbidity (on Hach 43900/XR) 180 NTU +/- 2 Absorbance at 455nm (10mm pathlength) Lot Number of Baseline Material

NIST Traceable, non-toxic reference material for the visible spectrophotometer. Full visible scan reported with a typical absorbance at 600 nm in 10 mm pathlength being approximately 2.917.

For all EPA 180.1 turbidimeters. TEST Turbidity 0.8 NTU +/- 0.02 Absorbance at 455nm (100mm pathlength) Lot Number of Baseline Material

NIST Traceable, non-toxic reference material for the UV spectrophotometer. Full UV scan reported with a typical absorbance at 300 nm in 10 mm pathlength being approximately 0.253.

For Endress and Hauser, Reagecon Diagnostic and Hach 2100 AN IS turbidimeters. TEST Turbidity (on Hach 2100 AN/IS) 4000 NTU Absorbance at 455 nm (10mm pathlength) 3.26-3.50 Lot Number of Baseline Material

Transmittance (at 635 nm) 40%T +/- 0.4 %T

TEST Turbidity (AQ4500) EPA mode Turbidity (AQ4500) ISO Neph. mode Turbidity (AQ4500) IR Ratio mode Thermo Electron AQ4500 serial number Instrument calibration date Formazin Concentrate (

CH₃COOC(CH₃)₃ CAS#: 540-88-5 F.W.: 116.16 NFPA#: 1-3-0 Specific Gravity: 0.870

For all EPA 180.1 turbidimeters. TEST Turbidity 0.6 NTU +/- 0.02 Absorbance at 455nm (100mm pathlength) Lot Number of Baseline Material

TEST Turbidity 2.0 NTU +/- 0.02 Absorbance at 455nm (100mm pathlength) Lot Number of Baseline Material

NIST Traceable, non-toxic reference material for the visible spectrophotometer. Full visible scan reported with a typical absorbance at 600 nm in 10 mm pathlength being approximately 0.767.

TEST Turbidity 1000 NTU Absorbance at 455 nm (10mm pathlength) 1.48-1.62 Lot Number of Baseline Material

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

TEST Turbidity (on Hach 2100N/AN) 200 NTU Absorbance at 455nm (10mm pathlength) Lot Number of Baseline Material

TEST Turbidity (on LaMotte 2020) 100 NTU +/-1 Absorbance at 455nm (10mm pathlength) Lot Number of Baseline Material

TEST Turbidity (Hach 2100N/AN and IS meters) 1.0 NTU Absorbance at 455nm (100mm pathlength) Lot Number of Baseline Material

TEST Turbidity 200 NTU +/- 2 Absorbance at 455nm (10mm pathlength) Lot Number of Baseline Material

TEST Turbidity (on Hach 2100N/AN) 1000 NTU +/- 10 Absorbance at 455nm (10mm pathlength) Lot Number of Baseline Material

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

TEST Turbidity (AQ4500) EPA mode Turbidity (AQ4500) IR Ratio mode Thermo Electron AQ4500 serial number Instrument calibration date Formazin Concentrate (4000 NTU) lot number Formazin chec

TEST Turbidity (on Lamotte 2020) 1.0 NTU Absorbance at 455nm (100mm pathlength) Lot Number of Baseline Material

NIST Traceable, non-toxic reference material for the UV spectrophotometer. Full UV scan reported with a typical absorbance at 300 nm in 10 mm pathlength being approximately 0.079.

NIST Traceable, non-toxic reference material for the UV spectrophotometer. Full UV scan reported with a typical absorbance at 300 nm in 10 mm pathlength being approximately 0.508.