Question 1

What makes a volumetric flask so accurate? View answer

Asked 5 ´months ago | USA Lab Volumetric Flasks - 100mL, 250mL, 500mL, 1L & 2L

Question 2

What is the density of a 3% hydrogen peroxide solution? View answer

Asked 10 ´months ago | USA Lab Hydrogen Peroxide 35% H2O2

Question 3

What is 35 food-grade hydrogen peroxide used for? View answer

Asked 10 ´months ago | USA Lab Hydrogen Peroxide 35% H2O2

Question 4

What is USP grade ethanol? View answer

Asked 5 ´months ago | USA Lab 190 Proof Ethanol USP 95% - Excise Tax Included

Question 5

How many ounces are in 500ml? View answer

Asked 4 ´years ago | USA Lab 500ML Coffee Mug Beaker Borosilicate 3.3

Question 6

what size membrane filter fits the filtering apparatus? what is the diameter of the frit receiver? View answer

Asked 8 ´days ago | USA Lab Glass Vacuum Filtration Kit w/ 40/38 Glass Joint Connection

Question 7

what size tubing is compatible with GL-14 View answer

Asked 2 ´years ago | Chemglass Removable GL-14, GL-18 Straight & Bent Hose Connectors

Question 8

Hi. I have a issue with my R-1020. I have a slight vacuum leak during rotation. Wil this part solve the issue? View answer

Asked 1 ´year ago | PTFE Oil Seal Set for USA Lab 20L RE-1020 Rotary Evaporator

Question 9

can this be reconnected for 460v View answer

Asked 17 ´days ago | USA Lab 34CFM UVP-34 Corrosion Resistant 2-Stage Vacuum Pump

Question 10

What is the difference between SDA 40B and SDA 3C denatured alcohol? View answer

Asked 4 ´months ago | USA Lab Ethanol 200 Proof, SDA 40B (100%)

Question 11

What's the difference between hydrogen peroxide and food grade hydrogen peroxide? View answer

Asked 10 ´months ago | USA Lab Hydrogen Peroxide 35% H2O2

Question 12

Is there an sop that comes with the system, can I find it online in pdf format? View answer

Asked 14 ´days ago | USA Lab H1-2 2L Full Bore Short Path Distillation Turnkey Kit

Question 13

What is the maximum stirring capacity for the OS-20 model? View answer

Asked 2 ´months ago | USA Lab Overhead Stirrer - 20L & 40L

Question 14

What is the concentration of the sulfuric acid solution? View answer

Asked 2 ´months ago | Lab Alley Sulfuric Acid 96% ACS Reagent Grade Solution (95-98%, Concentrated H2SO4)

Question 15

Are there any 80mm outer diameter lids for the Single Jacketed Glass Reactor? View answer

Asked 2 ´years ago | USA Lab Single Jacketed Glass Reactor Lids

Question 16

What is the outer braid material of this hose? View answer

Asked 4 ´months ago | Hosing > USA Lab 3/8" 37° JIC Stainless Steel Hose 12", 24", 36", 48", 60", 72", 96", 144"

Question 17

What is the inner diameter of the 500mL storage bottle? View answer

Asked 10 ´months ago | USA Lab Glass Media Storage Bottles Borosilicate 3.3 with GL45 Screw Cap 100ML, 250ML, 500ML, 1L, 2L, 5L, 10L

Question 18

Can you put coffee in borosilicate glass? View answer

Asked 1 ´year ago | USA Lab 500ML Coffee Mug Beaker Borosilicate 3.3

Question 19

What type of thread does this adapter use? View answer

Asked 2 ´months ago | USA Lab MNPT To MJIC Adapter

Question 20

Is it dishwasher safe? View answer

Asked 1 ´year ago | USA Lab 500ML Coffee Mug Beaker Borosilicate 3.3

Question 21

How often should fluid be replaced? View answer

Asked 1 ´year ago | Caldera 7 Heat Silicone Oil Transfer Fluid 5 Gallon

Question 22

Is SDA 40B ethanol suitable for perfumer's alcohol and fragrance formulation? View answer

Asked 4 ´months ago | USA Lab Ethanol 200 Proof, SDA 40B (100%)

Question 23

What is the ABV (alcohol by volume) of SDA 40B 200 proof ethanol? View answer

Asked 4 ´months ago | USA Lab Ethanol 200 Proof, SDA 40B (100%)

Question 24

What is the pH of hydrogen peroxide? View answer

Asked 10 ´months ago | USA Lab Hydrogen Peroxide 35% H2O2

Question 25

What is the color of the hydrogen peroxide? View answer

Asked 10 ´months ago | USA Lab Hydrogen Peroxide 35% H2O2

Question 26

when will this product come back in stock? View answer

Asked 1 ´year ago | Buchner Funnels > 12" Pressurized Buchner Funnel with 50L or 100L Keg

Question 27

What is the boiling point? View answer

Asked 4 ´months ago | USA Lab n-Heptane Pure Grade 99.3%

Question 28

How much is a 55 gallon drum cost View answer

Asked 1 ´year ago | USA Lab Ethylene Glycol 99%

Question 29

What is the flash point of this acetone? View answer

Asked 4 ´months ago | USA Lab Acetone 99%

Question 30

Whats the minimum burst on this hose? Can it be used for co2? View answer

Asked 1 ´year ago | Hosing > USA Lab 3/8" 37° JIC Stainless Steel Hose 12", 24", 36", 48", 60", 72", 96", 144"

Question 31

What is the refrigeration system in this unit? View answer

Asked 1 ´year ago | USA Lab Scientific Freeze Dryer / 8 Shelves / 2-3 Gallons Per Batch / 6L Ice Capacity / 3 Year Warranty

Question 32

Where can I buy SDA 40B ethanol 200 proof in bulk? View answer

Asked 4 ´months ago | USA Lab Ethanol 200 Proof, SDA 40B (100%)

Question 33

Is there a replacement policy if my 2000ml erlenmeyer flask arrives broken? View answer

Asked 3 ´months ago | USA Lab Erlenmeyer Flask Borosilicate 3.3 - Various Sizes

Question 34

Is there a difference between regular hydrogen peroxide and food grade hydrogen peroxide? View answer

Asked 10 ´months ago | USA Lab Hydrogen Peroxide 35% H2O2

Question 35

What's the difference between a sanitizer and a rinse? View answer

Asked 1 ´year ago | Acids

Question 36

What does SDA 40B mean in denatured ethanol? View answer

Asked 4 ´months ago | USA Lab Ethanol 200 Proof, SDA 40B (100%)

Question 37

What are the applications of DuPont Molykote High-Vacuum Grease? View answer

Asked 5 ´months ago | DuPont Molykote High Vacuum Grease (Formerly Dow Corning) 5.3oz

Question 38

Is this rated for 3000 psi Nitrogen gas? View answer

Asked 4 ´months ago | Hosing > USA Made 1/4" 37° JIC Stainless Steel Hose

Question 39

Is this hose rated for air pressure? View answer

Asked 4 ´months ago

Question 40

What is the diameter of the mouth for 1L and 2L? View answer

Asked 4 ´months ago | USA Lab GL80 Wide Mouth Media Storage Bottle - 1L, 2L & 5L

Question 41

denatured View answer

Asked 16 ´days ago | USA Lab Organic Sugar Cane Ethanol 190 Proof (95%) – Ethyl Alcohol

Question 42

What is the internal opening diameter of the 10L beaker? View answer

Asked 15 ´days ago | USA Lab Low Form Beaker Borosilicate 3.3 25ML , 50ML, 100ML, 250ML, 500ML, 1L, 2L, 5L, 10L

Question 43

How should hydrogen peroxide be diluted for safe use? View answer

Asked 10 ´months ago | USA Lab Hydrogen Peroxide 35% H2O2

Question 44

How wide at top of funnel? How wide at base of funnel?l View answer

Asked 11 ´days ago | USA Lab Stainless Steel Dry Ice Funnel

Question 45

What is the concentration of the hydrogen peroxide? View answer

Asked 10 ´months ago | USA Lab Hydrogen Peroxide 35% H2O2

Question 46

How should hydrogen peroxide be stored? View answer

Asked 10 ´months ago | USA Lab Hydrogen Peroxide 35% H2O2

Question 47

What is the difference between the turnkey and standalone? View answer

Asked 6 ´days ago | Buchner Funnels > USA Lab 100L Vacuum Filter

Question 48

What is the cold trap temperature of this freeze dryer? View answer

Asked 2 ´years ago | Freeze Dryers > USA Lab -35°C Scientific Freeze Dryer 1-2 Gallons Per Batch / 4L Ice Capacity / 3 Year Warranty

Question 49

What is the flash point of this ethylene glycol? View answer

Asked 2 ´months ago | USA Lab Ethylene Glycol 99%

Question 50

Are these silicone or PTFE gaskets? View answer

Asked 10 ´months ago | USA Lab Glass Media Storage Bottles Borosilicate 3.3 with GL45 Screw Cap 100ML, 250ML, 500ML, 1L, 2L, 5L, 10L

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