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Merck 109385 Silica Gel 60 (0.040-0.063 mm) For Column Chromatography (230-400 Mesh Astm) 2.5 kg

Merck 109385 Silica Gel 60 (0.040-0.063 mm) For Column Chromatography (230-400 Mesh Astm) 2.5 kg

Category

Analitik Kimyasallar

Brand

MERCK

Stock Code

LB.M.109385.2500

13.233,23 TL + VAT

15.879,88 TL

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MERCK 109385 Silica gel 60 (0.040-0.063 mm) for column chromatography (230-400 mesh ASTM) 2.5 Kg
Catalogue Number	109385

MERCK 109385 Silica gel 60 (0.040-0.063 mm) for column chromatography (230-400 mesh ASTM) 1 Kg

Product Information
CAS number	7631-86-9
EC number	231-545-4
Hill Formula	O₂Si
Chemical formula	SiO₂
Molar Mass	60.08 g/mol
HS Code	2811 22 00
Quality Level	MQ100

Applications
Application	Silica gel 60 (0.040-0.063 mm) for column chromatography (230-400 mesh ASTM). CAS No. 7631-86-9, EC Number 231-545-4.

Physicochemical Information
Melting Point	1710 °C
pH value	7 (100 g/l, H₂O, 20 °C) (slurry)
Bulk density	200 - 800 kg/m3

Toxicological Information
LD 50 dermal	LD50 Rabbit > 5000 mg/kg

Safety Information according to GHS
Precautionary Statement(s)	P260: Do not breathe dust.
Storage class	10 - 13 Other liquids and solids
WGK	NWG not water endangering
Disposal	32 Chromatographic residues: Aggressive, explosive (e.g. peroxides) or toxic substances in chromatographic layers or sorbents must be eliminated using suitable methods (washing out, elution) prior to disposal. The solvents used for elution can in many cases be reutilized. Larger quantities of sorbents (e.g. from columns) should be freed from solvents (filtration, drying) and packed into rip-resistant plastic sachets; container I. TLC carrier materials and columns should be disposed of together with the corresponding waste materials (aluminium, glass, plastic); container K.

Storage and Shipping Information
Storage	Storage temperature: no restrictions.

Specifications
pH-value (10 % suspension)	6.5 - 7.5
Fe (Iron)	≤ 0.02 %
Specific surface area (BET)	480 - 540 m²/g
Pore volume (N₂-isotherm)	0.74 - 0.84 ml/g
Loss on drying (150 °C)	≤ 9.0 %
Particle Size (d10)	30 - 40 µm
Particle Size (d50)	55 - 65 µm
Particle Size (d90)	95 - 110 µm
The specific surface area and the pore volume are related to the raw material

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