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Description
natronlauge aufbewahrung Ätznatron Natriumhydroxid NaOH Natronlauge Granulat 5 kg BiolaboratoriumNatriumhydroxid Natronlauge Granulat 5kg Technische Informationen ber chemische Reagenzien: Chemische Formel: NaOH CAS Nummer: 1310 73 2 EC Nummer: 0215 185 5 Synonym: tznatron Nettogewicht: 5000g Qualitt: rein Reinheit: mindestens 98,5% Beispiele fr professionelle Anwendungen in verschiedenen Branchen: Chemische Industrie Herstellung von Seifen und Waschmitteln: Natriumhydroxid wird als wichtiger Bestandteil bei der Herstellung von Seifen und
Natriumhydroxid-Natronlauge-Granulat 5kg
Technische Informationen über chemische Reagenzien:
- Chemische Formel: NaOH
- CAS-Nummer: 1310-73-2
- EC-Nummer: 0215-185-5
- Synonym: Ätznatron
- Nettogewicht: 5000g
- Qualität: rein
- Reinheit: mindestens 98,5%
Beispiele für professionelle Anwendungen in verschiedenen Branchen:
- Chemische Industrie - Herstellung von Seifen und Waschmitteln: Natriumhydroxid wird als wichtiger Bestandteil bei der Herstellung von Seifen und Waschmitteln verwendet. Es wirkt als stark alkalische Verunreinigung, die Fette abwäscht, um Seifen und andere Reinigungsmittel zu bilden.
- Papierindustrie - Verarbeitung von Holz zu Papier: Natriumhydroxid wird im Sulfatverfahren zur Herstellung von Zellstoff aus Holz verwendet. Es trägt dazu bei, Lignin zu entfernen und die für die Papierherstellung notwendigen Zellulosefasern freizusetzen.
- Erdölindustrie - Reinigung und Raffination von Erdölprodukten: Natriumhydroxid wird in der Erdölindustrie verwendet, um Schwefelverbindungen zu entfernen und Erdölprodukte zu reinigen. Es hilft, unerwünschte Verunreinigungen zu beseitigen und die Qualität der Endprodukte zu verbessern.
- Textilindustrie - Textilverarbeitung und Färberei: Natriumhydroxid wird in der Textilindustrie zur Reinigung und Veredelung von Fasern wie Baumwolle verwendet. Es wird auch in Färbeprozessen eingesetzt, um die Farbstoffaufnahme zu verbessern und leuchtende, lang anhaltende Farben zu erzeugen.
- Lebensmittelindustrie - Herstellung von Kakao- und Schokoladenprodukten: Natriumhydroxid wird in der Lebensmittelindustrie zur Verarbeitung von Kakao verwendet. Es wird in einem als "Dutching" bekannten Prozess verwendet, um den pH-Wert zu regulieren, den Geschmack zu verbessern und die Löslichkeit des Kakaopulvers zu erhöhen.
Empfohlene Lagerungsbedingungen:
- An einem trockenen und belüfteten Ort aufbewahren.
- Vor Feuchtigkeit und plötzlichen Temperaturschwankungen schützen.
- Von Feuerquellen und Funken fernhalten.
- In verschlossenen Behältern oder Beuteln aufbewahren, um Staubansammlungen zu vermeiden.
- Von Chemikalien fernhalten, die sie verunreinigen könnten.
Natriumhydroxid (Ätznatron) an einem trockenen und gut belüfteten Ort lagern, entfernt von brennbaren Materialien und reaktiven Stoffen. Es sollte in der versiegelten Originalverpackung gelagert werden, um Feuchtigkeit und Verunreinigungen zu vermeiden. Die Lagertemperatur sollte 40°C nicht überschreiten. Eine Kennzeichnung der Behälter gemäß den chemischen Vorschriften ist ebenfalls erforderlich.
Warnhinweise auf dem Produktetikett:
H290 Kann die Korrosion von Metallen verursachen.
H314 Verursacht schwere Verätzungen der Haut und schwere Augenschäden.
H315 Reizt die Haut.
H319 Reizt die Augen.
P260 Nebel/Dampf/Aerosol nicht einatmen.
P280 Schutzhandschuhe/Schutzkleidung/Augenschutz/Gesichtsschutz tragen.< /span>
P305 + P351 + P338 BEI KONTAKT MIT DEN AUGEN: Einige Minuten lang behutsam mit Wasser ausspülen. Wenn möglich, alle Kontaktlinsen entfernen. Weiter ausspülen.
P303 + P361 + P353 BEI KONTAKT MIT DER HAUT (oder dem Haar): Alle kontaminierten Kleidungsstücke sofort ausziehen. Die Haut unter einem Wasserstrahl/Dusche abwaschen.
P301 + P330 + P331 BEI VERSCHLUCKEN: Mund ausspülen. KEIN Erbrechen herbeiführen.
Kennzeichnung auf dem Behälter
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4.7 ★★★★★
Based on 742 reviews
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Product Reviews
★★★★★ 5
Blood and Muscle
Format: Kindle
I had this on my shelf for a while. lG reviews were great, the cover was pretty, and it sounded really interesting.
It was better than I expected! Love when that happens🥰
The story was great, the writing was good, and the characters were amazing! Ava and Lou's chemistry at first was a little charged. But as the story went and their relationship developed, it turned into something more tender and very intimate. Throw in the witness protection thing, and you have quite exciting romance. I will be reading this again!
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Reviewed in the United States on September 7, 2025
★★★★★ 5
Cute and easy read
Format: Kindle
The story is cute and easy read.....just a slight bit of drama...nothing to heart wrenching. Characters are cute and very likeable...some spice....
Good ready if you just need a quick and easy story with mild spice
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Reviewed in the United States on March 5, 2025
★★★★★ 4
Thrilling Fusion of Suspense and Sapphic Longing: Blood and Muscle Delivers with Depth and Desire
Format: Kindle
Elle Alexandra delivers a masterfully woven tale of suspense and romance in Blood and Muscle, a novel that seamlessly balances pulse-pounding tension with deeply felt emotional intimacy. Set against the stark yet breathtaking backdrop of Cedar Falls, Wyoming, this story immerses readers in a world where danger and desire are inextricably linked, and where trust is both a luxury and a necessity.
At the heart of the novel are Ava Bedford, a reluctant fugitive thrust into witness protection after witnessing a murder tied to a powerful political figure, and Sheriff Lou Harman, a woman whose life is defined by structure, solitude, and an unwavering sense of duty. Their dynamic is as compelling as it is electrifying, Ava’s sharp wit and warmth slowly chipping away at Lou’s carefully maintained defenses, creating a relationship that simmers with slow-burning intensity.
Alexandra’s character work is nothing short of exquisite. Both Ava and Lou are richly developed, imbued with layers of vulnerability, resilience, and undeniable magnetism. Their interactions feel organic, their chemistry electric, and their individual arcs deeply satisfying. The town of Cedar Falls, too, becomes more than just a setting, it breathes with its own quiet menace and rugged charm, a place of both refuge and lurking danger.
The novel’s pacing is expertly handled, with the tension mounting in a way that keeps readers perpetually on edge. Alexandra deftly balances moments of tender introspection with sequences of gripping suspense, ensuring that neither the romance nor the thriller elements overshadow the other. The prose is fluid, evocative, and often poetic, drawing readers deeper into the world she has so carefully crafted.
If there is one minor drawback, it is the at-times subtle transition between the protagonists’ perspectives. While both Ava and Lou’s voices are distinct, a more clearly delineated shift in POV would have further enhanced the reading experience, offering even greater immersion into their respective inner worlds. However, this is a small quibble in an otherwise exceptional novel.
Blood and Muscle is a triumph, an intoxicating blend of romance, intrigue, and raw emotion. It is a testament to the power of resilience, the fragility of trust, and the courage it takes to love in the face of uncertainty. Elle Alexandra has crafted a story that lingers long after the final page, making this a must-read for fans of sapphic fiction who crave both heart-pounding suspense and soul-stirring romance.
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Reviewed in the United States on March 11, 2025
★★★★★ 5
🩶
Format: Kindle
🩶Small town
🩶Opposites attract
🩶Sapphic romance
🩶Witness protection
🩶Sheriff/ waitress
🩶Femme/femme
Ava witnesses a murder of a congressman and is forced into witness protection and relocated to Cedar falls. This is where she meets sheriff Lou. Chapter 1 had me quickly drawn in as it starts with Ava witnessing the murder after her shift. The tension was palpable. The writing was perfect.
I really enjoyed this book. The crime/mystery along with the romance made the story intriguing. Lou and Ava slowly start to develop a beautiful relationship with undeniable chemistry. There is just enough angst that had me stuck wanting to know how the book was going to end. Towards the middle of the book we get Lou’s backstory which pulled at my heartstrings. She went through so much as a child which explained why she was so closed off as an adult. The spice was sweet and well written. This book gave me all the feels. It’s fun, mysterious, intense, emotional and hot. I feel so much happened in 300 pages and I still craved more. The ending was wrapped up perfectly with a HEA. Lastly, I was so happy to see chapters titles! Seems to be a rare occurrence these days.
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Reviewed in the United States on April 14, 2025
★★★★★ 5
Perfect debut novel!
Format: Kindle
I had no idea this was Ms. Elle's first official debut! Story was lovely and the flow harmonious...the only indication of the author being British was the reference to an already described sweater as a jumper...but since I love British authors it only added to the charm. No real angst and not really what I would classify as a slow-burn (rather a realistic relationship timeline) made for a quick read! Can't wait to read what she writes next!!
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Reviewed in the United States on April 9, 2025