nitrile gloves hydrofluoric acid pka formula

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Hazard assessment for a chemical- nitrile gloves hydrofluoric acid pka formula ,According to the Quick Selection Guide to Chemical Protective Clothing (5thedition, page 149), the following gloves will provide protection from hydrofluoric acid(30-70%) for 4 hours or more: Butyl rubber, neoprene rubber, Viton®/butyl rubber, Barrier® (PE/PA/PE), Silver Shield/4H® (PE/EVAL/PE), Trellchem® HPS,Trellchem® VPS, Tychem® SL ...CHEMICAL RESISTANT CHARTchemical combinations, temperature, length of time that glove is in contact with the chemical and thickness of glove. These factors will alter or affect the performance of glove. Recommend actual on-the-job testing of glove. CHEMICAL RESISTANT CHART chemical latex nitrile neoprene pvc Acetaldehyde F P E NR Acetic Acid G G E F Acetone G NR G NR



CHEMICAL RESISTANT CHART

chemical combinations, temperature, length of time that glove is in contact with the chemical and thickness of glove. These factors will alter or affect the performance of glove. Recommend actual on-the-job testing of glove. CHEMICAL RESISTANT CHART chemical latex nitrile neoprene pvc Acetaldehyde F P E NR Acetic Acid G G E F Acetone G NR G NR

SOP – HF and HF Precursors | USC Environmental Health & Safety

The following neoprene and nitrile/neoprene double layer disposable gloves have better hydrofluoric acid resistance than nitrile or latex options. These gloves were also selected because they are longer in the cuff and made from thicker material than typical disposable gloves. Neoprene: Ansell® MICROFLEX® NeoPro® NEC-288. Length 11.4 inches

Guidelines for the Safe Use of Hydrofluoric Acid

Mar 11, 2013·Guidelines for the Safe Use of Hydrofluoric Acid. A. INTRODUCTION. Hydrofluoric acid (HF) has a number of physical, chemical, and toxicological properties that make it ... pKa: 3.15 . Revised: Monday, March 11, 2013 . ... • Gloves o nitrile exam gloves (consider double gloving) for brief use of dilute solutions ...

Chemical Resistant Gloves Guide - HVCC

Chemical Resistant Gloves Guide Oxford University . The following table gives recommended materials for chemically-resistant gloves for work involving a variety of chemicals . Abbreviations used for glove …

Ammonium fluoride ((NH4)F) | NH4F - PubChem

Hydrofluoric acid was removed from waste gas from the mfr of fertilizers, phosphates, aluminum and enamels by 2 stage absorption with aqueous ammonium fluoride and ammonium bifluoride. Myczka S et al; Pol Patent No.104851 (01/15/80) Instytut Chemii Nieorganicznej

Standard Operating Procedure - UCSB

Sep 12, 2012·Dispose of inner nitrile gloves after use as hazardous waste. Wash hands thoroughly with warm water and soap. NOTE: Consult with your preferred glove manufacturer to ensure that the gloves you plan on using are compatible with Hydrofluoric acid. Refer to glove …

Fact Sheet: Disposable Nitrile Gloves in Chemical Labs ...

*Disposable nitrile gloves of 8-mil thickness or greater will provide short term (15 minute) splash protection against HF. An appropriately rated chemical-resistant glove is required if prolonged contact with HF is anticipated. For more information about HF see the FACT SHEET: Hydrofluoric Acid in the Chemical Hygiene Plan.

Chemical Resistance Guide

KIMBERLY-CLARK* Nitrile Gloves A glove/chemical combination receives a YELLOW rating if: • Any glove/chemical combina-tion does not meet either set ... Acetic Acid 5 482 99.7% Acetone 1 466 99.5% Acetonitrile 1 329 99% Acrylic Acid 1 57.8 99% Ammonium Hydroxide 7 …

Boron trifluoride | BF3 - PubChem

Boron trifluoride is a colorless gas with a pungent odor. It is toxic by inhalation. It is soluble in water and slowly hydrolyzed by cold water to give off hydrofluoric acid, a corrosive material.Its vapors are heavier than air. Prolonged exposure of the containers to fire or …

CHEMICAL COMPATIBILITY CHART

TR-60D (100-99) Rev.∅ 08/16/04 Page 2 of 19 TABLE OF CONTENTS 1.0 Discussion 2.0 Guide to Compatibility Key 3.0 Chemical Compatibility Guide for Commonly Used Elastomers for O-Rings

HF Safety | Calgonate®

Dispose of unwanted hydrofluoric acid. When working with hydrofluoric acid or concentrated HF solutions (> 1%): Wear goggles and a face shield. Wear a long-sleeved, buttoned lab coat, pants or long skirt, and closed-toe shoes. Wear Neoprene or Nitrile (22mil) or other hydrofluoric acid resistant gloves.

SOP – HF and HF Precursors | USC Environmental Health & Safety

The following neoprene and nitrile/neoprene double layer disposable gloves have better hydrofluoric acid resistance than nitrile or latex options. These gloves were also selected because they are longer in the cuff and made from thicker material than typical disposable gloves. Neoprene: Ansell® MICROFLEX® NeoPro® NEC-288. Length 11.4 inches

Boron trifluoride | BF3 - PubChem

Boron trifluoride is a colorless gas with a pungent odor. It is toxic by inhalation. It is soluble in water and slowly hydrolyzed by cold water to give off hydrofluoric acid, a corrosive material.Its vapors are heavier than air. Prolonged exposure of the containers to fire or …

ANU Policy Library - Procedure - Hydrofluoric acid handling

HYDROFLUORIC ACID SAFETY GUIDELINES Hydrofluoric acid (HF) is an extremely corrosive substances used in the production of organic or inorganic ... (a weak acid has a pKa value in the approximate range −2 to 12 in water). In the ... Thin disposable gloves (such as 4, 6, or 8 mm blue Nitrile glove) provide a contact barrier only. Thicker (10-20 ...

CHOOSE THE BEST GLOVE TYPE FOR YOUR CHEMICAL:

CHOOSE THE BEST GLOVE TYPE FOR YOUR CHEMICAL: Chemical Name. NFPA Health Rating Nitrile. Natural Rubber Latex. Recommended Alternate

SOP – HF and HF Precursors | USC Environmental Health & Safety

The following neoprene and nitrile/neoprene double layer disposable gloves have better hydrofluoric acid resistance than nitrile or latex options. These gloves were also selected because they are longer in the cuff and made from thicker material than typical disposable gloves. Neoprene: Ansell® MICROFLEX® NeoPro® NEC-288. Length 11.4 inches

Standard Operating Procedure - UCSB

Sep 12, 2012·Dispose of inner nitrile gloves after use as hazardous waste. Wash hands thoroughly with warm water and soap. NOTE: Consult with your preferred glove manufacturer to ensure that the gloves you plan on using are compatible with Hydrofluoric acid. Refer to glove …

Hydrofluoric Acid 5% Krystal Pure - Columbus Chemical

Hydrofluoric Acid 5% Krystal Pure 1. PRODUCT AND COMPANY IDENTIFICATION ... Formula Molecular Weight Hydrofluoric Acid 4.5-5.4 7664-39-3 231-634-8 HF 20.01 g/mol ... Skin Wear neoprene or nitrile gloves, full body (synthetic) protective clothing appropriate to

CHEMICAL COMPATIBILITY CHART

TR-60D (100-99) Rev.∅ 08/16/04 Page 2 of 19 TABLE OF CONTENTS 1.0 Discussion 2.0 Guide to Compatibility Key 3.0 Chemical Compatibility Guide for Commonly Used Elastomers for O-Rings

Hazard assessment for a chemical

According to the Quick Selection Guide to Chemical Protective Clothing (5thedition, page 149), the following gloves will provide protection from hydrofluoric acid(30-70%) for 4 hours or more: Butyl rubber, neoprene rubber, Viton®/butyl rubber, Barrier® (PE/PA/PE), Silver Shield/4H® (PE/EVAL/PE), Trellchem® HPS,Trellchem® VPS, Tychem® SL ...

Standard Operating Procedure (SOP) for the use of ...

Gloves: Medium or heavy weight viton/nitrile/natural rubber gloves (recommend 22 mil) should be worn as the outer glove when working with HF (note: double gloving should be considered as a Best Practice). For higher concentrations (>5%), long chemical compatible gloves (12 inches) should be worn. If outer gloves …

University of Rochester Hydrofluoric Acid Safe Handling ...

Hydrofluoric acid (HF) is an extremely corrosive acid used in many laboratory processes (sample ... As a minimum, medium weight Viton, nitrile, or natural rubber gloves are recommended. Personnel can elect to wear a second pair of nitrile gloves under the heavier-duty gloves for additional protection. Because these protective gloves are ...

Hydrofluoric Acid - Sarpong Group

least 5 minutes. Remove all contaminated clothing. Wearing compatible gloves (such as nitrile glove), massage calcium gluconate gel into the affected area. Re-apply every 15 minutes. Call 911 to request assistance and/or emergency transport if needed. Note: Hydrofluoric acid exposure is often treated with calcium gluconate, a source of Ca2+ that

ANU Policy Library - Procedure - Hydrofluoric acid handling

Boron trifluoride is a colorless gas with a pungent odor. It is toxic by inhalation. It is soluble in water and slowly hydrolyzed by cold water to give off hydrofluoric acid, a corrosive material.Its vapors are heavier than air. Prolonged exposure of the containers to fire or …