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Standards - Mega Sale! Save up to 26%

Mega Sale! Up to 26% off on Standards at Paragon pbc. Top brands include Biopharm, Hach Company, ChemWorld, Myron L, Pro Supply Outlet, LabChem, Innovating Science, RPI, Sanco Industries, Quality Chemical, The Chemistry Store, Mettler Toledo, mSORB, Compass Minerals, & Cesco. Hurry! Limited time offers. Offers valid only while supplies last.

Conductivity Calibration Standard 3-Pack 500 ml Each 1000 US, 10,000 uS and 100,000 uS
By Biopharm
In Stock

mpn: BC8219PX, ean: 0721272377255,

4.3 out of 5 stars with 34 reviews
Don't assume that your conductivity meter is working correctly. Probes can get dirty, worn and damaged. Give yourself that feeling of confidence that comes from doing things the right way. We suggest you use 2 or more calibration standards to cover a range that you normally work within to verify the linearity of the instrument. A different correction factor may be required for high EC values compared to low EC values. If your meter is essentially linear over the entire calibration range you can

Hach 2971205 StablCal Turbidity Standards Calibration Kit, 2100Q Portable Turbidimeter, Sealed Vials
By Hach Company
In Stock
You Save: 6%

mpn: 2971205,

4.3 out of 5 stars with 16 reviews
Exclusive algorithm in the Rapidly Settling Turbidity mode provides accurate, repeatable measurements for rapidly settling, difficult-to-measure samples while eliminating the need for redundant measurements and estimatingEasy Calibration and Verification. Simple Data Transfer. Accurate for Rapidly Settling Samples. Convenient Data Logging. Optical System for Precision in the Field.

ChemWorld Vegetable Glycerin - 4x1 Gallons
By ChemWorld
In Stock


4.9 out of 5 stars with 48 reviews
4x1 Gallon containers of Vegetable based ChemWorld Glycerin. Common applications are Soap Making, Peristaltic Pump Lubricant,Non-Food Contact Antifreeze Solutions, Synthetic Ice Rinks Formulations, Arts Crafts, Personal Care, Cosmetic Use, etc. If you are using Glycerin for direct food and beverage application, you must use a product designated and packaged in conformance to USP requirements and the product must be labeled as USP. This product should not be used directly in food. Please look

Myron L 442-3000Q-CP Myron L 3K QCP (Nist) Conductivity Calibration Standard, 3900 Μs
By Myron L
In Stock
You Save: 24%

mpn: 442-3000Q-CP,

4.5 out of 5 stars with 58 reviews
Standards have NaCl and 442 conversions included for ease of use. Conductivity values are accurate to within ± 1 percent and are referenced to 25 degree C. Include a nist-traceable calibration report supplied by the manufacturer. One 32-oz bottle.Description: conductivity calibration standard, 3900 µs. Resistivity value (mom): 0.00025. Volume (ml): 946. Volume (oz): 32. Conductivity-to-tds calibration values (ppmnacl): 2027.

Hach 246142 Formazin Turbidity Standard, 4000 NTU, 100 mL
By Hach Company
In Stock

mpn: 246142,

4.0 out of 5 stars with 23 reviews
The Barnant 246142 formazin standard solution has a 4000 NTU turbidity and is used for calibration of turbidimeters. The bottle has a 100mL volume.Thermo Fisher Scientific manufactures analytical instruments, laboratory equipment, consumables, and software under the Thermo Scientific, Fisher Scientific, Barnstead, and Nalgene brands, among others. The company is headquartered in Waltham, MA.Formazin turbidity standard solution for calibration of turbidimeters. Bottle contains 100mL solution

Potassium Hydroxide Flakes FCC/ Food Grade 20 Lb Pack Consists of 4- 5 Lb Jars
By Pro Supply Outlet
In Stock

mpn: 10009,

4.5 out of 5 stars with 8 reviews
Potassium hydroxide is an inorganic compound with the formula KOH, commonly called caustic potash. Along with sodium hydroxide (NaOH), this colorless solid is a prototypical strong base. It has many industrial and niche applications; most applications exploit its reactivity toward acids and its corrosive nature. In 2005, an estimated 700,000 to 800,000 tonnes were produced. Approximately 100 times more NaOH than KOH is produced annually. KOH is noteworthy as the precursor to most soft and

LabChem LC186701 Picric Acid Solution, Saturated, 500 mL Volume
By LabChem
In Stock

mpn: LC186701,

4.5 out of 5 stars with 23 reviews
Labchem LC186701 picric acid solution, saturated, 500ml volume.Made in united states. Easy to use. Acid solution.

Portable Ammonium Nitrogen Concentration Water Testing Kit - Materials for 40 Tests
By Innovating Science
In Stock
You Save: 26%

mpn: IS9754, ean: 0724832097549,

4.4 out of 5 stars with 38 reviews
Ammonium nitrogen content in water is important to keep an eye on. High concentrations can be dangerous to aquatic wildlife and, in extreme cases, make water unsafe to drink. This kit has been designed to allow the analyst to perform a very simple colorimetric analysis to determine the ammonia nitrogen concentration of their fresh water sample. The analysis yields an easily identifiable color transition that can be compared with the included color key to determine the concentration in your

Spermidine Free Base, 25 Grams
In Stock

mpn: S92150-25.0,

4.7 out of 5 stars with 52 reviews
CAS Number: 124-20-9 Molecular Formula: C7H19N3 Molecular Weight: 145.25 g/molProduct is sold for research or further manufacturing use only, not for food or drug use.. Chemical Formula: C7H19N3. CAS Number: 124-20-9. Molecular Weight: 145.25 g/mol. Common Name: Spermidine Trihydrochloride.

Propylene Glycol - USP Certified Food Grade - Highest Purity, Humectant, Fog Machine, Humidor & Antifreeze Solution, DIY, Kosher- 4 Gallon Value Pack
By Sanco Industries
In Stock

mpn: 88881, ean: 0768980888819,

4.7 out of 5 stars with 47 reviews
Propylene Glycol is an ingredient used to make many homemade items, some of which include soap, humidor solution, detergent, moisturizer, shampoo, massage oil, lotion, cigar juice for humidors, and RV antifreeze. Other uses include cigar juice for humidors and RV antifreeze. This product is food grade, kosher, USP, colorless and virtually odorless. Propylene Glycol is a syrupy lubricant that is smooth to the touch. One quart, minimum 99.7% pure. Store in a well ventilated, cool, dry area.  

RPI Sodium Chloride Powder, ACS Grade, 10 Kilograms, Buffer and Cell Culture Media Component
In Stock

mpn: S23025-10000.0,

4.2 out of 5 stars with 53 reviews
Sodium chloride is a common buffer component used in the preparation of TBS, PBS, cell lysis buffers, immunoprecipitation wash buffers, and other buffers. It is also used as a component for cell media, including LB (Luria) broths). Specifications: Appearance: White Powder Assay (Titration): 99.0 - 101.5 % Barium: Pass Bromides: ≤ 0.01 % Calcium (Ca): ≤ 0.002 % Chlorate and Nitrate (as NO3): ≤ 0.003 % Heavy Metals : ≤ 5 ppm Insoluble Matter: ≤ 0.005 % Iodide (I) : ≤ 0.002 % Iron: ≤

Glycol Ether EB - Butyl Cellosolve-5 Gallon Pail
By Quality Chemical
In Stock

mpn: ASH-550-5,

4.6 out of 5 stars with 31 reviews
Synonyms: Glycol Butyl Ether, Ethylene Glycol Butyl Ether, Butyl Glycol, Butyl Oxitol, 2-N-Butoxyethanol, 2-Butoxyethanol, Ethylene Glycol Monobutyl Ether. CAS No: 111-76-2. Molecular Formula: C6H14O2. Molar Mass: 118.2 g/ mol.Glycol Ether EB use: solvent in paints and cleaners, as intermediates that undergoes further chemical reactions.. Appearance: Colorless Liquid. Purity: 99.50% Min. Specifications - Specific Gravity (20/20degrees C): 0.901-0.904, Water: 0.1000% Max, Acidity (as CH3OOH): 0.0

Silver Nitrate 0.100 Normal Standard Solution Quart (950 ml)
By Biopharm
In Stock

mpn: BS4442Q-X, ean: 0721272377309,

4.1 out of 5 stars with 51 reviews
This standardized Silver Nitrate 0.100 N reference solution is manufactured in our USA laboratory using strict quality control procedures. It is commonly used with potassium chromate indicator to titrate chloride ions. It is supplied with a certificate of analysis showing the exact analysis values.Accurate, Ready-to-Use Standard. 950 ml (32 oz) Amber Plastic Bottle for Light Protection and Safety. FREE Certificate of Analysis for each Lot. Tight Lot to Lot Tolerances. Analysis Given to Four (4)

Cocamide DEA (1, 5 Gallon Pail)
By The Chemistry Store
In Stock

mpn: 82007, ean: 0658031232367,

4.9 out of 5 stars with 53 reviews
This substance is a mixture of many individual substances and cannot be adequately represented by a single molecular structure. Diethanolamides are excellent foam boosters, stabilizers and viscosity builders/modifiers for shampoos, hand soaps and bath products. This product is derived from whole coconut and contains glycerin for added conditioning properties.This substance is a mixture of many individual substances and cannot be adequately represented by a single molecular structure..

Mettler-Toledo 51302080 Rainbow II Buffer (3 Packs of 10 x 20 ml Sachets)
By Mettler Toledo
In Stock
You Save: 1%

mpn: 51302080,

4.7 out of 5 stars with 17 reviews
Rainbow II Buffer package consists of 30 20 mL sachets of 10 each of 4.01, 7.00 and 10.01 pH solutions. Buffer solutions are traceable to NIST standards and come with a quality inspection certificate which guarantees the stated values and traceability. Rainbow Buffers are thereby especially suited for use in quality assurance systems.Traceable to NIST Standards. pH: 4.01/7.00/10.01. Sachets.

Molecular Sieve mSorb® 4A 8X12 Mesh Bead, 650 g
In Stock

mpn: L-4A812B-650GB,

4.9 out of 5 stars with 57 reviews
mSorb® Molecular Sieve is the ideal adsorbent for both industrial functions and in the laboratory. Specially formulated with high crush strength and large surface areas. Synthetic zeolite materials are engineered with precise uniform and structured size pores which allow molecular sieves to preferentially adsorb gases and liquids based on molecular polarity and size. Applications are typically closed liquid or gas systems. Considered an ideal drying agent in polar and nonpolar media. For

Compass Minerals Sodium Chloride Extra Coarse Pellet Solar Salt [NaCl] [CAS_7647-14-5] White Crystalline Solid (50 Lb Bag) sold by Wintersun Chemical
By Compass Minerals
In Stock

mpn: 19-013-05NA,

4.8 out of 5 stars with 34 reviews
Synonyms: Sodium Chloride Native, Chloride Standard CAS No: 7647-14-5. EC-No: 231-598-3. Molecular Formula: NaCl. Molar Mass: 58.44 g/mol.Appearance: Pellet. Sodium Chloride (dry): 99.6% Min. Mixture - Sulfate (as SO4): 0.08%, Total Ca &Mg (as Ca): 0.08% Max, Surface Moisture²: 0.2% Max, Water Insolubles: 0.15% Max. 50 Lb Bag.

Hach 2406549 Nitrogen-Ammonia Standard Solution, 100 mg/L as NH3-N, 500 mL
By Hach Company
In Stock
You Save: 11%

mpn: 2406549,

4.7 out of 5 stars with 19 reviews
Nitrogen-Ammonia Standard Solutions as NH3-N100 mg/L. Bottle/500 mL.

Sodium Tripolyphosphate STPP TPP STP Super Cleans 10 Lb Bulk Pack Tech Grade Light Dense
By Cesco
In Stock

mpn: 10LBTRIPOLY, ean: 0752589521888,

4.4 out of 5 stars with 43 reviews
10 lb bulk package of Sodium Tripolyphosphate Multiple can be ordered. Also have 25 lb bulk package in our store. Sodium Tripolyphosphate Na5P3O10 Alkaline phosphates give great detergency activity in combination with the properties of sequestration, dispersion & buffering ability. STPP is used in industrial cleaners, water softening, detergent, emulsifier of oil and grease, peptizing agent, deflocculating agent in oil well, sequester in cotton boiling. Sodium triphosphate (STP, sometimes STPP

LabChem LC120501 Bromothymol Blue Solution, 0.04% (AQ), 500 mL Volume
By LabChem
In Stock
You Save: 3%

mpn: LC120501,

4.2 out of 5 stars with 20 reviews
Labchem LC120501 bromothymol Blue solution, 0.04 percent (aq), 500ml volume.Made in united states. Easy to use. Blue solution.

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