Tác động của nitrat đến sự phát triển của tảo và hiện tượng phú dưỡng?

In Stock

Size Guide

$34.99 $29.99

Shipping and Returns Policy

Sep 25, 2010 ... Preparation and standardisation of 1 M Nitric Acid using anhydrous Sodium Carbonate and Methyl Orange solution as indicator used in pharmaceutical analysis. Mar 28, 2022 ... How many grams of concentrated nitric acid solution should be used to prepare 250 mL of 2.0 M HNO 3 ? The concentrated acid is 70 % HNO 3. May 7, 2018 ... PH = -log H+ H+=0.004×1 {basicity of HNO3=1} PH=3-log4=3–0.6=2.4 POH=14-PH=14–2.4=11.6 1 M HNO3 (in acetone). 89.5 ± 5.3. 2 M HCl (in acetone). 101.8 ± 5.1. 2 M HNO3 (in acetone). 103.3 ± 1.5. 1 M HCl (in methanol). 86.2 ± 2.0. 1 M HNO3 (in ... Aug 26, 2013 ... To prepare 2.5M or 2.5N, you just need to find the vol. of the nitric acid of the given purity (65%) and add to distilled water in a standard flask(1L) up to ... Mar 16, 2014 ... Question: How many milliliters of 0.246 M HNO3 should be added to 213 mL of 0.006 66 M 2,2'-bipyridine to give a pH of 4.19? ... 213 mL of 0.006 ... Feb 26, 2018 ... A volume of 60.0 mL of a 0.510 M HNO3 solution is titrated with 0.510 M KOH. Calculate the volume of KOH required to reach the equivalence point. May 17, 2018 ... Since you want to go from 5.0 M to 1.0 M concentration, and you want 225 mL of the resultant solution, you want to get 15 of the concentration. e-Newsletter · Home · Nitric acid · Nitric acid concentrate for dilution to 1L, 1.0 M HNO3 (1.0N) volumetric solution, Fluka™. Print… Share. Nitric ... Oct 1, 2024 ... ... representative Vis-NIR absorption spectra from 0.5 to 10 M HNO3 and benchmark the corresponding Np(IV) molar absorptivity coefficients.
  • Next Day Delivery by USPS Find out more

    Order by 9pm (excludes Public holidays)

    $11.99

  • Express Delivery - 48 Hours Find out more

    Order by 9pm (excludes Public holidays)

    $9.99

  • Standard Delivery $6.99 Find out more

    Delivered within 3 - 7 days (excludes Public holidays).

  • Store Delivery $6.99 Find out more

    Delivered to your chosen store within 3-7 days

    Spend over $400 (excluding delivery charge) to get a $20 voucher to spend in-store
  • International Delivery Find out more

    International Delivery is available for this product. The cost and delivery time depend on the country.

You can now return your online order in a few easy steps. Select your preferred tracked returns service. We have print at home, paperless and collection options available.

You have 28 days to return your order from the date it’s delivered. Exclusions apply.

View our full Returns and Exchanges information.

Our extended Christmas returns policy runs from 28th October until 5th January 2025, all items purchased online during this time can be returned for a full refund.

No reviews yet. Only logged in customers who have purchased this product may leave a review.