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(CH3)3CCH2CH(CH3)2 CAS#: 540-84-1 F.W.: 114.23 (Isooctane). Also meets ACS UV grade specifications.
Na2SO4
CH3OCH2CH(OH)CH3 CAS#: 107-98-2 F.W.: 90.12 Propyleneglycol methyl ether
CS2 CAS#: 75-15-0 F.W.: 76.13 NFPA#: 3-3-0 Specific Gravity: 1.261
Cu
For coulometric analysis. Anolyte for all coulometric titrators. Universal solution for certain coulometric titrators.
C6H5CH3 CAS#: 108-88-3 F.W.: 92.14
Formula: (C2H5)4NClO4 Formula Weight: 229.71 CAS#: 2567-83-1
IC, colorimetric or volumetric standard
HCl CAS#: 7647-01-0 F.W.: 36.46
pH electrode storage solution. Contains potassium chloride and has a pH near 7.
C32H25N3S3O9Na2
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 0.039.
TEST Turbidity (on Lamotte 2020) 1.0 NTU Absorbance at 455nm (100mm pathlength) Lot Number of Baseline Material
LiCl CAS#: 7447-41-8 F.W.: 42.39
Concentration (as chlorite) 1,000 +/- 10 ug/mL Matrix: sodium chlorite, water
ACS Reagent Grade, monobasic monohydrate
(C6H10O5)n CAS#: 9005-84-9 For iodometry Potato starch.
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.
Kit contains 0.0, 20, 200, 1000 and 4000 NTU standards required to calibrate the Hach 2100N/AN instruments. The deluxe kit also contains sealed secondary standards of each value.
HClO4 CAS#: 7601-90-3 F.W.: 100.46 Metals analysis reported on certificate in ppm.
K4P2O7 CAS#: 7320-34-5 F.W.: 330.35
C4H8O CAS#: 109-99-9 F.W.: 72.11 Stabilized with 0.025% BHT
SnCl2•2H2O CAS#: 10025-69-1 F.W.: 225.63