250 mL, GFS Chemicals
-
TEST Turbidity (on HF Micro 1000) 10,000 NTU Absorbance at 455nm (10mm pathlength) Lot Number of Baseline Material
-
TEST Turbidity (on Hach 2100 N/AN meter) 4000 NTU Absorbance at 455nm (10mm pathlength) Lot Number of Baseline Material
-
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 (on LaMotte 2020) 100 NTU +/-1 Absorbance at 455nm (10mm pathlength) Lot Number of Baseline Material
-
AMCO Clear® Turbidity Standard, 2.0 NTU
GFS ChemicalsTEST Turbidity 2.0 NTU +/- 0.02 Absorbance at 455nm (100mm pathlength) Lot Number of Baseline Material
-
AMCO Clear® Turbidity Standard, 5 EBC
GFS ChemicalsTEST Turbidity (Haze) 5.0 EBC +/-0.1 Absorbance at 455nm (50mm pathlength) Lot Number of Baseline Material
-
TEST Turbidity (on Lamotte 2020) 1.0 NTU Absorbance at 455nm (100mm pathlength) Lot Number of Baseline Material
-
AMCO Clear® Turbidity Standard, 25 EBC
GFS ChemicalsTEST Turbidity (Haze) 25 EBC +/-0.2 Absorbance at 455nm (10mm pathlength) Lot Number of Baseline Material
-
Veritas Ultimate Nitric Acid
GFS ChemicalsTrace Metal Grade Nitric Acid, PPT Grade, Veritas Trace, Item 7200, CAS 7697-37-2. Veritas Trace PPT trace metal grade acids are distilled using proprietary technology that can produce the purest acids for trace metal analysis in the world. The entire process is controlled by sophisticated,…
-
In-Spec® Visible Standard 0.5
GFS ChemicalsNIST 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 0.368.
-
Formic Acid, 88%, Veritas Double Distilled
GFS ChemicalsThe GFS Chemicals double-distilled formic acid with 88% concentration levels comes in a colorless liquid form with a pungent odor. The double-distilled formic acid is ideal for many purposes in professional, scientific and technical fields. Application: For Professional, Scientific and Technical…
-
AMCO Clear® Turbidity Standard, 1.0 EBC
GFS ChemicalsTEST Turbidity (Haze) 1.0 EBC +/- 0.05 Absorbance at 455nm (100mm pathlength) Lot Number of Baseline Material
-
In-Spec® Visible Standard 1.0
GFS ChemicalsNIST 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 (LaMotte 2020) 10 NTU +/-0.1 Absorbance at 455nm (100mm pathlength) Lot Number of Baseline Material
-
AMCO Clear® Turbidity Standard, 4.0 NTU
GFS ChemicalsTurbidity 4.0 NTU +/- 0.04 Absorbance at 455nm (100mm pathlength) Lot Number of Baseline Material
-
TEST Turbidity (on Analite/ISO 7027 probe) 400 NTU Absorbance at 455nm (10mm pathlength) Lot Number of Baseline Material
-
TEST Turbidity (on Analite/ISO 7027 probe) 40 NTU Absorbance at 455nm (50mm pathlength) Lot Number of Baseline Material
-
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
-
70% Perchloric Acid, Veritas Double Distilled
GFS ChemicalsPerchloric acid, CAS 7601-90-3, is a mineral acid with the formula HClO4. Usually found as an aqueous solution, this colorless compound is a stronger acid than sulfuric acid and nitric acid. Perchloric acid is useful for preparing perchlorate salts, especially ammonium perchlorate, an important…
-
AMCO Clear® Turbidity Standard, 600 NTU
GFS ChemicalsTEST Turbidity 600 NTU +/- 6 Absorbance at 455nm (10mm pathlength) Lot Number of Baseline Material
-
AMCO Clear® Turbidity Standard, 900 NTU
GFS ChemicalsTEST Turbidity 900 NTU Absorbance at 455nm (10mm pathlength) Lot Number of Baseline Material
-
In-Spec® Purple Color Standard
GFS ChemicalsReference material for verification of UV-Visible spectrophotometers' photometric accuracy. Popular verification of requirements for BCA assay.
-
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
-
AMCO Clear® Turbidity Standard, 0.6 NTU
GFS ChemicalsFor all EPA 180.1 turbidimeters. TEST Turbidity 0.6 NTU +/- 0.02 Absorbance at 455nm (100mm pathlength) Lot Number of Baseline Material
-
For Hanna Models HI 93703 and LP 2000. TEST Turbidity (on Hanna HI 93703) 500 NTU Absorbance at 455nm (10mm pathlength) Lot Number of Baseline Material
-
TEST Turbidity (HF Micro 100IR) 10 FNU Absorbance at 455nm (100mm pathlength) Lot Number of Baseline Material
-
In-Spec® Visible Standard 0.1
GFS ChemicalsNIST 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.
-
TEST Turbidity (Turner Aquafluor) 10 NTU Absorbance at 455nm (100mm pathlength) Lot Number of Baseline Material
-
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 (
-
Tetrabutylammonium Phosphate Buffer, pH 7.5
GFS ChemicalsMixed phosphate buffer. Approximate tetrabutylammonium ion concentration 0.5 M.
-
AMCO Clear® Turbidity Standard, 6.0 NTU
GFS ChemicalsTEST Turbidity 6.0 NTU +/- 0.06 Absorbance at 455nm (100mm pathlength) Lot Number of Baseline Material
-
AMCO Clear® Turbidity Standard, 10 EBC
GFS ChemicalsTEST Turbidity (Haze) 10 EBC +/- 0.1 Absorbance at 455nm (50mm pathlength) Lot Number of Baseline Material