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pH Test Strips 0.0-14.0 100/pk
Item #:
SIG/1095350001
Supplier #: 1095350001
Supplier #: 1095350001
non-bleeding, pH-range 0 - 14, graduations and accuracy accuracy: 1 pH unit, MQuant®, for use with MQuant® StripScan App
pH Test Strip 0.0-14.0 600/pk
Item #:
SIG/1095350007
Supplier #: 1095350007
Supplier #: 1095350007
Universal indicator, non-bleeding, pH-range 0 - 14, graduations, for use with MQuant® StripScan App.
Acetonitrile, HPLC Plus, =99.9% CS/4
Item #:
SIG/34998-4X4L
Supplier #: 34998-4X4L
Supplier #: 34998-4X4L
SIGMA-ALDRICH CORPORATION Part No. 34998-4X4L
Synonym(s): ACN; Methyl cyanide Empirical Formula: C2H3N Formula Weight: 41.05 Linear Formula: CH3CN MDL Number: MFCD00001878 Purity: ≥99.9% Boiling Point: 81-82 °C(lit.) Melting Point: −48 °C(lit.) Density: 0.786 g/mL at 25 °C(lit.) Refractive Index: n 20/D 1.344(lit.) Beilstein Registry Number: 741857 RTECS No.: AL7700000 RIDADR: UN 1648 3 / PGII
Synonym(s): ACN; Methyl cyanide Empirical Formula: C2H3N Formula Weight: 41.05 Linear Formula: CH3CN MDL Number: MFCD00001878 Purity: ≥99.9% Boiling Point: 81-82 °C(lit.) Melting Point: −48 °C(lit.) Density: 0.786 g/mL at 25 °C(lit.) Refractive Index: n 20/D 1.344(lit.) Beilstein Registry Number: 741857 RTECS No.: AL7700000 RIDADR: UN 1648 3 / PGII
Hexane for HPLC, =98.5% CS/4X4L
Item #:
SIG/293253-4X4L
Supplier #: 293253-4X4L
Supplier #: 293253-4X4L
SIGMA-ALDRICH CORPORATION Part No. 293253-4X4L
For HPLC, ≥98.5% Synonym(s): Hexanes; Isohexane Empirical Formula: C6H14 Formula Weight: 86.18 Linear Formula: C6H14 MDL Number: MFCD02179311 Purity: ≥98.5% Boiling Point: 68-70 °C(lit.) Melting Point: −95 °C(lit.) Density: 0.672 g/mL at 25 °C(lit.) Refractive Index: n 20/D 1.379(lit.) Beilstein Registry Number: 1730733 RIDADR: UN 1208 3 / PGII
For HPLC, ≥98.5% Synonym(s): Hexanes; Isohexane Empirical Formula: C6H14 Formula Weight: 86.18 Linear Formula: C6H14 MDL Number: MFCD02179311 Purity: ≥98.5% Boiling Point: 68-70 °C(lit.) Melting Point: −95 °C(lit.) Density: 0.672 g/mL at 25 °C(lit.) Refractive Index: n 20/D 1.379(lit.) Beilstein Registry Number: 1730733 RIDADR: UN 1208 3 / PGII
Pentane for HPLC, 99.0+% 4L
Item #:
SIG/34956-4L
Supplier #: 34956-4L
Supplier #: 34956-4L
SIGMA-ALDRICH CORPORATION Part No. 34956-4L
Chemical name: n-Pentane Material form: Solvent Density (g/cm3): 0.631 Molecular weight: 72.15 Molecular formula: C5H12 Chemical purity: =99.0% UN Number: UN 1265
Chemical name: n-Pentane Material form: Solvent Density (g/cm3): 0.631 Molecular weight: 72.15 Molecular formula: C5H12 Chemical purity: =99.0% UN Number: UN 1265
Sodium Nitrite; ACS; 99.0% 500G
Item #:
EMS/SX0665-1
Supplier #: SX0665-1
Supplier #: SX0665-1
Sodium Nitrite; ACS; 99.0% min.; White powder or colorless crystals; EMD; 500g; Poly bottle; Nitrate of soda; F.W.; 69.00; NaNONaNO2; CAS: 7632-00-0; 1/EA Exact Match MSX06651 EM-SX0665-1
Syringe Filter PVDF, 0.45 um, 33 mm
Item #:
SIG/SLHV033NB
Supplier #: SLHV033NB
Supplier #: SLHV033NB
Pack of 250. Millex Syringe Filter, Durapore® ( PVDF ), Non-sterile, 0.45 µm pore size, 33 mm diameter, Millex-HV Durapore® ( PVDF ) membrane, hydrophilic
Tetrahydrofuran, ACS, +,=99.0%, 1L
Item #:
SIG/360589-1L
Supplier #: 360589-1L
Supplier #: 360589-1L
SIGMA-ALDRICH CORPORATION Part No. 360589-1L
Formula: C4H8O Formula Weight: 72.11
CAS No.: 109-99-9 Purity: ≥99.0% Density: 0.889 g/mL at 25 °C(lit.) Supplemental Hazard Statements: May form explosive peroxides. Packaging: 1, 6 x 1, 2, 2.5, 4, 4 x 4 L in glass bottle Packaging: 10 L in ss drum Packaging: 20, 200 L in steel drum Packaging: 500, 6 x 500 mL in glass bottle
Formula: C4H8O Formula Weight: 72.11
CAS No.: 109-99-9 Purity: ≥99.0% Density: 0.889 g/mL at 25 °C(lit.) Supplemental Hazard Statements: May form explosive peroxides. Packaging: 1, 6 x 1, 2, 2.5, 4, 4 x 4 L in glass bottle Packaging: 10 L in ss drum Packaging: 20, 200 L in steel drum Packaging: 500, 6 x 500 mL in glass bottle
Sodium Hydroxide Pellet, 97+% ACS 2.5KG
Item #:
SIG/221465-2.5KG
Supplier #: 221465-2.5KG
Supplier #: 221465-2.5KG
SIGMA-ALDRICH CORPORATION Part No. 221465-2.5KG
Synonyms: ‘Caustic soda' Formula: NaOH Formula Weight: 40.00
CAS No.: 1310-73-2 Purity: ≥97.0% Packaging: 12, 50 kg in poly drum Packaging: 2.5 kg in poly bottle Packaging: 25, 500, 6 x 500 g in poly bottle
Synonyms: ‘Caustic soda' Formula: NaOH Formula Weight: 40.00
CAS No.: 1310-73-2 Purity: ≥97.0% Packaging: 12, 50 kg in poly drum Packaging: 2.5 kg in poly bottle Packaging: 25, 500, 6 x 500 g in poly bottle
Sodium Sulfate, ACS Reagent, =99.0%
Item #:
SIG/239313-50KG
Supplier #: 239313-50KG
Supplier #: 239313-50KG
SIGMA-ALDRICH CORPORATION Part No. 239313-50KG
Grade ACS reagent, anhydrous assay =99.0% form granular impurities =0.01% insolubles ≤5 ppm N compounds loss =0.5% loss on ignition pH 5.2-9.2 (25 ÝC, 5%) mp 884 ÝC(lit.) density 2.68 g/mL at 25 ÝC(lit.) anion traces chloride (Cl - ): =0.001% phosphate (PO4 3- ): ≤0.001% cation traces Ca: =0.01% Fe: ≤0.001% K: ≤0.01% Mg: ≤0.005% heavy metals (as Pb): ≤5 ppm storage temp. room temp
Grade ACS reagent, anhydrous assay =99.0% form granular impurities =0.01% insolubles ≤5 ppm N compounds loss =0.5% loss on ignition pH 5.2-9.2 (25 ÝC, 5%) mp 884 ÝC(lit.) density 2.68 g/mL at 25 ÝC(lit.) anion traces chloride (Cl - ): =0.001% phosphate (PO4 3- ): ≤0.001% cation traces Ca: =0.01% Fe: ≤0.001% K: ≤0.01% Mg: ≤0.005% heavy metals (as Pb): ≤5 ppm storage temp. room temp
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