Some Products May Appear Restricted
To ensure a smooth and speedy checkout, please log in to your account. Some items may show as restricted simply because you're not logged in.
If you do not have an account, you can register using our registration webform (https://www.avantorsciences.com/us/en/login/register)
If you're still seeing restrictions after logging in, certain products—like chemicals or medical devices—require additional account verification steps to be able to place an order. Some items may additionally require a specific license or customer documentation; additional documentation will be requested for these items prior to shipment.
- NF - Assay ((NH₄)₂SO₄):99.0 - 100.5 %
- NF - Insoluble Matter:≤ 0.005 %
- NF - Residue on Ignition:≤ 0.005 %
- NF - pH of 5% Solution:5.0 - 6.0
- NF - Nitrate (NO₃):≤ 0.001 %
- NF - Chloride (Cl):≤ 5 ppm
- NF - Phosphate (PO₄):≤ 5 ppm
- NF - Iron (Fe):≤ 5 ppm
- NF - Identification:Passes Test
- NF - Microbial Limit - Total Aerobic Microbial Count (cfu/g):≤ 1000
- NF - Microbial Limit - Total Combined Molds and Yeasts (cfu/g):≤ 10
- Endotoxin Concentration (EU/g):≤ 2.5
- Nickel (Ni):≤ 0.7 ppm
- Cobalt (Co):≤ 0.09 ppm
- Chromium (Cr):≤ 0.75 ppm
- Copper (Cu):≤ 0.03 ppm
- Manganese (Mn):≤ 3.45 ppm
- ACS - Assay ((NH₄)₂SO₄) (A.C.S.):≥ 99.0 %
- ACS - Residue on Ignition:≤ 0.005 %
- ACS - pH of 5% Solution at 25°C:5.0 - 6.0
- ACS - Insoluble Matter:≤ 0.005 %
- ACS - Chloride (Cl):≤ 5 ppm
- ACS - Nitrate (NO₃):≤ 0.001 %
- ACS - Phosphate (PO₄):≤ 5 ppm
- ACS - Heavy Metals (as Pb):≤ 5 ppm
- ACS - Iron (Fe):≤ 5 ppm
- Solution Test:Passes Test
: VWR International
: Thermo Fisher Scientific
: VWR International
: Sartorius
: Miele
: VWR International
: VWR International
: International Products
: Hardy Diagnostics
: Bel-Art Products, a Part of SP