NOBLE AGAR

Noble Agar shipped worldwide

Discounts on Noble Agar are available for bulk orders and resale orders. Noble Agar Specifications

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New Item Number	Old Item Number	Description	Sale Unit	2011 - 2012 Price USD
214220	0142-15	Difco Noble Agar	100g	$149.40
214230	0142-17	Difco Noble Agar	500g	$339.60

Difco NOBLE AGAR Specifications and Technical Information

Difco Agar Noble is a solidifying agent that is essentially free of impurities. It is used in electrophoretic and nutritional procedures and in preparing microbiological culture media when increased purity is required. Difco Noble Agar is extensively washed and bleached. This agar should be used for applications where extreme clarity and high purity are required. Difco Noble Agar is suitable for immunodiffusion, some electrophoretic applications, and as a substrate for mammalian or plant tissue culture. Specifications are as follows:

Dehydrated Media Appearance

White to off white free flowing homogenous fine granules

Solution Concentration

1.5%

Solution Appearance

Solution is colorless, clear to very slightly opalescent.

Loss on drying

Equal or less than 20%

Ash

Equal or less than 2%

Calcium

Equal or less than 1,000 ppm

Magnesium

Equal or less than 200 ppm

Melting Point

Equal to or greater than 85 Degrees Celsius

Gel Point

32 ~ 39 Degrees Celsius

CHEMICAL ANALYSIS OF NOBLE AGAR & OTHER DIFCO AGARS
	Bacto Agar	Difco Agar Granulated	Difco Agar Technical	Difco Noble Agar
Concentration Percent	1.5	1.5	1.5	1.5
Ash (%)	3.6	3.4	4.1	1.3
Clarity (NTU)*	4.3	5.3	26.2	3.7
Color (430 nm, adsorbance)	N/A	N/A	N/A	N/A
Loss on Drying (%)	17.3	12.2	18.2	16
pH	6.5	6.6	6.9	5.7
Gel Strength (g/cm2)	600	560	613	700
Gelation Point (°C)	35	35	36	35
Melting Point (°C)	88	88	88	87
Resistivity (ohms)	N/A	N/A	N/A	N/A
-m r (electrophoretic)**	N/A	N/A	N/A	0.55
Inorganics (%)
Calcium	0.179	0.133	0.11	0.015
Chloride	0.021	< 0.005	0.172	< 0.050
Cobalt	< 0.001	< 0.001	< 0.001	< 0.001
Copper	< 0.001	< 0.001	< 0.001	< 0.001
Iron	0.002	0.003	0.002	< 0.001
Lead	< 0.001	< 0.001	< 0.001	< 0.001
Magnesium	0.068	0.041	0.093	0.002
Manganese	< 0.001	< 0.001	< 0.001	< 0.001
Nitrate	< 0.005	< 0.005	< 0.005	< 0.050
Phosphate	< 0.005	0.01	0.015	< 0.050
Potassium	0.121	0.079	0.124	0.022
Sodium	0.837	0.776	0.932	0.335
Sulfate	1.778	1.71	0.367	0.663
Sulfur	0.841	0.868	0.646	0.333
Tin	< 0.001	< 0.001	< 0.001	< 0.001
Zinc	< 0.001	< 0.001	< 0.001	< 0.001
Biological Testing (CFU/g)
Spore Count	< 1,000	< 1,000	4,300	< 1,000
Standard Plate Count	< 1,000	< 1,000	2,725	< 1,000
Nephelometric turbidity units (NTU). *Unit of relative electroendosmosis.

Order NOBLE AGAR by DIFCO. Noble Agar by DIFCO shipped worldwide.

Dealer distributor for Agar Noble and all Difco products
DIFCO MICROBIOLOGY - BBL MICRObiology
sold through
VOIGT GLOBAL DISTRIBUTION INC
Purchase orders and payments must be made to the name of VOIGT GLOBAL DISTRIBUTION
PO Box 1130, Lawrence, Kansas 66044 USA
Toll Free in the USA: 877-484-3552 or 1.785.393.8509
USA Fax: 877-484-3554 or 1.913.273.0458
Please include your e-mail when sending a fax.
Purchase orders and payments must be made to the name of VOIGT GLOBAL DISTRIBUTION
Quotations for bulk orders and shipping charges must first receive a quotation via e-mail.
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DIFCO MICROBIOLOGY and BBL MICROBIOLOGY by Becton Dickinson
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	Difco Antigens	Difco Antiserum	Difco Culture Media
	DIFCO HOT ITEMS - Dehydrated Culture Media Powder
	\| Agar Noble \| Bacto Agar \| Bacto Peptone \| Bacto Tryptone \| Brain Heart Infusion \|
	\| Granulated Agar \| Casamino Acids \| Fluid Thioglycollate Medium \| Lactobacilli MRS \|
	\| LB Agar and Broth \| MacConkey Agar and Broth \| Mueller Hinton Media \| Nutrient Agar and Broth \|
	\| Potato Dextrose \| Proteose Peptones \| Sabouraud Dextrose Media \| Standard Methods Agar \|			Difco Hycheck
Difco Dehydrated Culture Media	\| Tryptic and Trypticase Soy and Agar \| Tryptose Media \| XL and XLD Media \|
	\| Yeast Extract \| Yeast Mold \| Yeast Nitrogen Base \|
Download the complete Difco Culture Media list with descriptions and pricing in Adobe pdf format: Click Here
Difco Mycobacterium Tuberculosis H37Ra		Difco E Coli Antiserum	Difco Listeria Antiserum	Difco Shigella Antiserum
Difco Freund's Adjuvants		Difco Haemophilus Influenzae Antiserum	Difco Salmonella O Antiserum	Difco Vibrio Cholerae Antiserum
Difco Brucella Antiserum		Difco Neisseria Meningitidis Antiserum	Difco Salmonella H Antiserum