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Grade 4V Fluted Filter Paper, FF

GE’s Whatman Grade 4V filter paper is well suited for qualitative analysis or general filtration of coarse particles. The fluted filter design increases filtration speed, flow rate, and loading capacity.

• Very fast flow rate
• Retention of coarse and gelatinous precipitates
• Nominal particle retention rating of 20–25 µm
• Fast filtration speed (Herzberg 37 s)
• Fluted (pre-pleated) for compatibility with conical filter funnels without the need for further folding

Fluted filter for capturing gelatinous precipitate

Whatman Grade 4V prepleated (fluted) filter paper from GE is frequently used to filter gelatinous precipitate or during general filtration that does not require the collection of fine particles. The filter sheets are also useful for rapid filtration of biological fluids or organic extracts prior to analysis.

Specifications:

• Grade: Grade 4V
• Grade Type: Folded (Prepleated)
• Typical Particle Retention in Liquid: 25 µm
• Typical Water Flow Rate (ml/min) for 9cm diameter: 247
• Nominal Thickness: 210 µm
• Nominal Basis Weight: 92 g/m2
• Material: Cellulose
• Typical Trace Element Levels: Aluminium 3.6 µg/g, Antimony <0.5 µg/g, Arsenic <0.5 µg/g, Barium <0.5 µg/g, Boron <1 µg/g, Calcium 27.5 µg/g, Chromium 1 µg/g, Copper 0.9 µg/g, Iron 13.7 µg/g, Lead <0.5 µg/g, Magnesium 21 µg/g, Manganese <0.5 µg/g, Mercury <0.5 µg/g, Potassium 6.2 µg/g, Silicon 8.8 µg/g, Sodium 32.3 µg/g, Zinc 58.3 µg/g

Ordering Information:

CRUCIBLES SHAPE ‘AZ’

Crucibles in these series have nominal capacities ranging from 5cc to 250cc. These crucibles are designed with extra thick base to withstand heavy wear. Unless otherwise specified crucibles are always supplied having plain rim and with lid. The purity of Platinum used manufacturer of these crucibles is at 99.95%.

Specifications Ordering Details:  *Other sizes available on request. 

Product Details:

Low Pressure Sodium Vapour Lamp / Sox Lamp 50W

Philips SOX light bulbs are low pressure sodium vapor discharge lamps that offer outstanding luminous efficiency over time. These lamps are highly efficient thanks to the uniform distribution of sodium in the discharge tube. With their BY22d base, Philips SOX 35W BY22d easily integrate into light fixtures.

With a colour temperature of 1800K, Philips SOX 35W BY22d lamps provide a monochromatic yellow light for brightness of lumen. Philips SOX 35W BY22d lamps have the advantage of having a very long lifespan of 18000 hours on average, so they are very energy efficient. Their UV filter prevents the discolouration of exposed objects.

Product Details:

A 1 ml counting cell 45mm long, 20 mm wide, 1 mm thick. Precision rectangular cell is bonded to 1" x 3" (25mm x 75mm) glass slide. Supplied with 2 extra cover glasses and plastic case. Meets ALPHA and "Standard Methods" specifications.

Product Details:

Milk Adulteration Test Kit

(For the detection of Urea, Starch, Neutralizers, Detergent, Sugar, Glucose – Dextrose, Sodium Chloride, Acidity And Heat Stability, Hydrogen Peroxide, Formaldehyde, Mastitis, Maltodextrin And Nitrate-Nitrogen in Milk)

 

Product Details:

Benex II Basic Kit Extraction System consists of:
Benex II Extractor, Pullrope 48mm, Driver Guide, Screw short 1.6 + 2.1mm, Screw long 1.6mm + 2.1mm, 1 Drill each for 1.6mm + 2.1mm Screws, Quadrant Support, 85.194.00 Washtray with lid

Product Details:

Benex II Extraction System consists of:
Benex II Extractor, Pullrope 48mm, Driver Guide, Screw short 1.6 + 2.1mm, Screw long 1.6mm, 1 Drill each for 1.6mm + 2.1mm Screws, Quadrant Support, 85.185.00 Washtray with lid, 12.302.01 Tray/Rack for Benex II