GFS Chemicals & Solutions

Concentration (as NO₃) 1,000 +/- 10 ug/mL Matrix: NaNO₃, water

APHA for Nitrogen

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.

HgSO₄

TEST Turbidity (on Analite/ISO 7027 probe) 40 NTU Absorbance at 455nm (50mm pathlength) Lot Number of Baseline Material

The GFS Chemicals holmium oxide with 99.9% concentration levels comes in a tan solid form with a little to no odor. The holmium oxide is ideal for many purposes in professional, scientific and technical fields. Application: For Professional, Scientific and Technical Activities, other Professional,...

ACS Reagent Grade

C₄H₈O₂ CAS#: 123-91-1 F.W.: 88.11 NFPA#: 3-4-2 Specific Gravity: 1.030

pH (@ 25°C) 3.00 +/- 0.03 NIST Traceable

Sodium Lauryl Sulfate CH₃(CH₂)₁₁SO₄Na CAS#: 151-21-3 F.W.: 288.38

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 0.368.

TEST Turbidity (Hach 2100N/AN and IS meters) 0.5 NTU Absorbance at 455nm (100mm pathlength) Lot Number of Baseline Material

C₂₀H₁₄O₄

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

In 0.001 N perchloric acid. For testing the absorbance scale and linearity of UV Spectrophotometers. K₂Cr₂O₇

Perchloric 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...

MgCl₂•6H₂O CAS#: 7791-18-6 F.W.: 203.30

ZnO CAS#: 1314-13-2 F.W.: 81.37 Average particle size about 1 micron.

High purity solution for use in liquid chromatography applications.

ACS Reagent Grade

For volumetric or coulometric use. For standardization of titrants or titrators. Water Content 2.00 +/- 0.05 mg/mL NIST Traceable Specific Gravity approx. 0.86

(C₄H₉)₄N(H₂PO₄) CAS#: 5574-97-0 F.W.: 339.46 99% Crystals

Concentration 1,000 +/- 10 ug/ml Matrix: 5% Nitric Acid w/ Trace HF NIST Traceable

C₃₂H₃₂N₂O₁₂•nH₂O CAS#: 2411-89-4 F.W.: 636.62 Cresolphthalein Complexone