If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf
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A2939
Ammonium sulfate
BioXtra, ≥99.0%
Synonim(y):
Mascagnite
Wybierz wielkość
| Rozmiar/SKU | Dostępność | Cena netto |
|---|---|---|
100 g | Skontaktuj się z Obsługą Klienta, aby uzyskać informacje na temat dostępności | 166,00 zł |
500 g | Skontaktuj się z Obsługą Klienta, aby uzyskać informacje na temat dostępności | 395,00 zł |
1 kg | Skontaktuj się z Obsługą Klienta, aby uzyskać informacje na temat dostępności | 736,00 zł |
Informacje o tej pozycji
166,00 zł
product line
BioXtra
Quality Segment
assay
≥99.0%
form
powder or crystals
impurities
Insoluble matter, passes filter test
ign. residue
<0.01% (as SO4)
loss
≤1.0% loss on drying, 110°C
pH
5.0-6.0 (20 °C, 1 M in H2O)
mp
>280 °C (dec.) (lit.)
solubility
H2O: 1 M, clear, colorless
density
1.77 g/mL at 25 °C (lit.)
anion traces
chloride (Cl-): ≤0.001%, nitrate (NO3-): ≤0.001%, phosphate (PO43-): ≤0.0005%
cation traces
Al: ≤0.0005%, As: ≤0.0001%, Ba: ≤0.0005%, Bi: ≤0.0005%, Ca: ≤0.001%, Cd: ≤0.0001%, Co: ≤0.0005%, Cr: ≤0.0005%, Cu: ≤0.0002%, Fe: ≤0.0002%, K: ≤0.005%, Li: ≤0.0005%, Mg: ≤0.0005%, Mn: ≤0.0005%, Mo: ≤0.0005%, Na: ≤0.005%, Ni: ≤0.0005%, Pb: ≤0.0002%, Sr: ≤0.0005%, Zn: ≤0.0001%
absorption
≤0.030 at 280 in H2O at 1 M, ≤0.037 at 260 in H2O at 1 M
SMILES string
N.N.OS(O)(=O)=O
InChI
1S/2H3N.H2O4S/c;;1-5(2,3)4/h2*1H3;(H2,1,2,3,4)
InChI key
BFNBIHQBYMNNAN-UHFFFAOYSA-N
Application
Biochem/physiol Actions
1 of 1
Ta pozycja | |||
|---|---|---|---|
| description BioXtra, ≥99.0% | description Molecular Biology, ≥99.0% | description ACS reagent, ≥99.0% | description anhydrous, Redi-Dri™, ReagentPlus®, ≥99.0% |
| form powder or crystals | form powder | form powder or crystals | form powder |
| solubility H2O: 1 M, clear, colorless | solubility H2O: 0.667 g/mL | solubility water: soluble 132 g/L at 20 °C | solubility water: soluble 132 g/L at 20 °C |
| assay ≥99.0% | assay ≥99.0% | assay ≥99.0% | assay ≥99.0% |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
| pH 5.0-6.0 (20 °C, 1 M in H2O) | pH 5.0-6 (25 °C, 132 g/L) | pH 5.0-6.0 (25 °C, 5%) | pH 5-6 (25 °C, 132 g/L) |
| cation traces Li: ≤0.0005%, As: ≤0.0001%, Mo: ≤0.0005%, Ni: ≤0.0005%, Zn: ≤0.0001%, Al: ≤0.0005%, Pb: ≤0.0002%, Bi: ≤0.0005%, Ca: ≤0.001%, K: ≤0.005%, Fe: ≤0.0002%, Sr: ≤0.0005%, Cd: ≤0.0001%, Co: ≤0.0005%, Na: ≤0.005%, Cr: ≤0.0005%, Cu: ≤0.0002%, Mn: ≤0.0005%, Ba: ≤0.0005%, Mg: ≤0.0005% | cation traces Zn: ≤5 ppm, Cu: ≤5 ppm, Fe: ≤5 ppm, heavy metals (as Pb): ≤2 ppm | cation traces Fe: ≤5 ppm, heavy metals: ≤5 ppm (by ICP-OES) | cation traces Fe: ≤10 ppm, Se: ≤5 ppm, Pb: ≤3 ppm |
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Klasa składowania
11 - Combustible Solids
Co się dzieje?
WGK 1
Temperatura zapłonu (°F)
Not applicable
Temperatura zapłonu (°C)
Not applicable
PPE (środki ochrony indywidualnej)
Eyeshields, Gloves, type N95 (US)
Wykazy regulacyjne
Wykazy regulacyjne dotyczą głównie produktów chemicznych. Można w nich podawać ograniczoną liczbę informacji na temat produktów niechemicznych. Brak wpisu oznacza, że żaden ze składników nie znajduje się w wykazie. Użytkownik odpowiada za zagwarantowanie bezpiecznego i zgodnego z prawem stosowania produktu.
7783-20-2
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How can I determine the shelf life / expiration / retest date of this product?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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