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	SODIUM HYDROXIDE A.C.S. Reagent Special Item No. S1300 Minimum purity: 98% MAXIMUM LIMITS Carbonate: 0.5% Sodium Chloride:0.005% Nitrogen Compounds: 0.001%Phosphate: 0.001% Sulfate: 0.003% Ammonium Hydroxide: 0.02% Heavy Metals: 0.002% Iron: 0.001% Mercury: 0.1 parts per million Nickel: 0.001% Potassium: 0.02% 500 grams Pellet form 500g: $40.00 2.5Kg: $150.00 Case of 6x500g: $200.00 2 Case of 6x500g: $360.00 HAZARDOUS	SODIUM HYDROXIDE F.C.C. (Food Chemical Codex) Also known as "food grade lye" Item No. S1303 ASSAY: 95.0 ~ 100.5% MAXIMUM LIMITS Carbonate: 3.0% Arsenic: 3 mg per Kg Heavy Metals (as Pb): 0.002% Lead: 10 mg per Kg Mercury: 0.1 parts per million 500 grams Pellet form 500g: $40.00 USD Case of 6x500g: $225.00 HAZARDOUS	SODIUM HYDROXIDE NF - Pharmaceutical Grade NF = National Formulary Item No. SO170 ASSAY: 95.0 ~ 100.5% MAXIMUM LIMITS Insoluble Matter: To pass NF Organic Matter: To pass NF Potassium: To pass NF Heavy Metals 0.003% 500 grams Pellet form 500g: $55.00 Case of 6x500g: $195.00 HAZARDOUS
	POTASSIUM HYDROXIDE A.C.S. Grade Item No. P1315 Minimum purity¹: 85% MAXIMUM LIMITS Carbonate: 2.0% Chloride: 0.01% Nitrogen Compounds: 0.001% Phosphate: 5ppm Sulfate: 0.003% Ammonium Hydroxide: 0.02% Heavy Metals: 0.001% Iron: 0.001% Nickel: 0.001% Sodium: 0.05% 500 grams Pellet form 500g: $50.00 Case of 6x500g: $265.00 2 Case of 6x500g: $470.00 HAZARDOUS ¹ Reagent grade potassium ...hydroxide normally contains ...between 10 & 15% water	PROPYLENE GLYCOL Grade: USP / NF Item No. 12745HP Minimum assay: 99.5% Specific Gravity @ 25°C 1.035 ~ 1.037 MAXIMUM LIMITS Water...0.2% Residue on Ignition...0.007% Chloride...0.007% Sulfate...0.006% Heavy Metals...0.0005% 500mL Price: $25.00 3.8L Price: $65.00	BENZYL ALCOHOL Grade: USP / NF Item No. BEN-003 Minimum assay: 97.0~100.5% Specific Gravity @ 25°C: 1.042 ~ 1.047 Refractive Index @ 20°C: 1.539 ~ 1.541 MAXIMUM LIMITS Residue After Ignition....0.005% Non-Volatile Residue...0.05% Halides...0.03% Benzaldehyde...0.20% 500mL Price: $35.00 3.8L Price: $150.00
	AZELAIC ACID Item No. 36308-14 Minimum assay: 98% Melting Point: 98 ~102°C 25g Price: $50.00	SESAME OIL Grade: USP / NF Item No. 12952HP: 3.8L Item No. SES-001: 500mL Specific Gravity @ 25°C: 0.916 - 0.921 Iodine Value: 103 - 116 MAXIMUM LIMITS Heavy Metals: 0.001% 500mL Price: $16.00 3.8 L Price: $78.00	BENZYL BENZOATE USP / NF Grade Item No. 3844HP - 500mL Item No. 3845HP - 3.8 L Assay: 99.0~100.5% Specific Gravity @ 25°C: 1.116 ~ 1.120 Congealing Temp Min: 18.0°C Refractive Index @ 20°C: 1.568 ~ 1.570 500 mL Price: $25.00 3.8 L Price: $105.00
	COTTONSEED OIL Grade: USP / NF Item 5353HP - 500mL Item 5354HP - 3.8L Specific Gravity @ 25°C: 0.914 - 0.921 Iodine Value: 109 - 120 MAXIMUM LIMITS Heavy Metals: 0.001% 500mL Price: $15.00 3.8L Price: $50.00	EM ColorpHast pH Indicator Strips - Covalently bound dye results in a non-bleeding 4 color indicator test region, even when immersed in strongly alkaline solutions. Durable enough to be immersed in weak alkaline solutions for extended periods for testing accuracy. These strips test the full pH range from 0 thru 14 with a sensitivity of 0.5 pH. 100 4-color test strips per pack. Item No. EM9590 Single pack price: $25.00 Case of 6 packs: $105.00	Whatman GD/X Syringe Filters Contain a unique prefiltration stack of Whatman multigrade GMF 150 (10:1 um) and Grade GF/F (0.7 um) prefilters. Final filter has a 0.45 um filter pore and PVDF (PolyVinyliDene Fluoride) membrane. Sterile. Sold in a pack of 10 or a case of 50. Item No. 6900-2504 Pack of 10: $40.00 USD Box of 50: $140.00