Le soufre, 99,5 - 100,5 %, répond aux spécifications analytiques du ph. Eur., BP, USP, puriss., précipité

Name: Le soufre, 99,5 - 100,5 %, répond aux spécifications analytiques du ph. Eur., BP, USP, puriss., précipité
Brand: SIGMA-ALDRICH
SKU: 13803-2.5kg-r
Price: 154.83 USD

Code: 13803-2.5kg-r D2-231

Non disponible en dehors du Royaume-Uni et de l'Irlande

General description

Sulfur is present in abundant quantities in marine and freshwater sediments. It exists in the form of various sulfur compounds such as pyrite, acid volati...

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Non disponible en dehors du Royaume-Uni et de l'Irlande

General description

Sulfur is present in abundant quantities in marine and freshwater sediments. It exists in the form of various sulfur compounds such as pyrite, acid volatile sulfides, elemental sulfur, sulfates and organic sulfur.Quantitative estimation of reduced inorganic sulfur compounds in modern sediments and shales by a chromium reduction technique has been described.Sulfur is naturally present in cysteine and methionine amino acids, which can be detected by inductively coupled plasma mass spectrometry(ICP-MS). It is also an important element required for plant growth, since it is useful in lowering the pH of the soil.

Packaging

1, 2.5 kg in poly bottle

anion traces	sulfide (S^2-): ≤10 mg/kg, sulfate (SO₄^2-): ≤100 mg/kg, chloride (Cl^-): ≤100 mg/kg
assay	99.5-100.5%
autoignition temp.	450 °F
bp	444.7 °C (lit.)
cation traces	As: ≤40 mg/kg
form	solid
grade	puriss.
ign. residue	≤0.2% (as SO₄), ≤0.3%
impurities	≤0.02% free acid (as H₂SO₄), residual solvents, complies, ≤0.5% water (Karl Fischer), ≤0.01% free alkali (as NaOH), acidity or alkalinity, complies
InChI key	NINIDFKCEFEMDL-UHFFFAOYSA-N
InChI	1S/S
mp	117-120 °C (lit.), 112.8 °C (rhombic) (lit.), 119.0 °C (monoclinic) (lit.)
Quality Level	100
quality	meets analytical specification of Ph. Eur., BP, USP, precipitated
resistivity	2E23 µΩ-cm, 20°C
SMILES string	[S]
solubility	carbon disulfide: in accordance 1 g/5mL
suitability	corresponds for odor, complies for appearance of solution
vapor density	8.9 (vs air)
vapor pressure	10 mmHg ( 246 °C), 1 mmHg ( 183.8 °C)

Safety Data Sheet for 13803-2.5KG-R
Certificat d'analyse Sigma

Cas Number	7704-34-9
Hazard Class	4.1
Un Number	1350
Pack Group	III

Ce produit répond aux critères suivants pour être admissible aux récompenses suivantes :

Le soufre, 99,5 - 100,5 %, répond aux spécifications analytiques du ph. Eur., BP, USP, puriss., précipité

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