Bilim

PH o'lchagichdan foydalanish kimyoviy reaktsiyani yaxshiroq nazorat qilishi va mahsuldorlik va mahsulot sifatini, shuningdek xavfsiz ishlab chiqarishn

Record 186mV of the test data in step (1), clean the electrode and insert it into pH9.18 buffer solution, and read after stabilization, E2'=111mV (abs

Lampochka va suyuqlik birikmasi ifloslanganidan keyin ularni quyidagi erituvchilar bilan tozalang, so'ngra erituvchilarni olib tashlash uchun deioniza

⑴ Calibrate and calibrate the pH meter before pH measurement.(2) To verify the accuracy of the pH meter, for example, after calibrating the pH meter w

pH12.46, etc., should be packed in a polyethylene bottle) with a tight cap. It should be stored at a low temperature (5-10°C) in the refrigerator. Gen

Umumiy pH o'lchash uchun pH tampon reagentlari to'plamidan (250 ml tayyorlash mumkin) foydalanish mumkin. Eritmani tayyorlashda erigan karbonat angidr

pH measurement is a relative measurement. It only indicates the difference in pH between a standard solution and an unknown solution. In actual measur

The pH value is one of the most important physical and chemical parameters of aqueous solutions. All natural phenomena involving aqueous solutions, ch

A pH meter refers to an instrument used to determine the pH value of a solution. The pH meter works on the principle of a galvanic battery. The electr

Havodagi yonuvchi gaz kontsentratsiyasi pastki portlash chegarasiga yetganda, biz bu joydagi yonuvchi gaz muhitining portlash xavfini 100 foiz, ya'ni

(1) First of all, it is necessary to find out what the leakage points of the device are, analyze their leakage direction, pressure and other factors,

1. The core component gas sensor is different (main difference): the combustible gas alarm uses a catalytic combustion gas sensor; the toxic gas alarm

Yonuvchan gaz detektorlari yonuvchi gaz ma'lumotlarini aniqlashi uchun detektor aniqlash muhiti bilan aloqa qilishi kerak. Shuning uchun atrof-muhitda

Yonuvchan gaz signalizatsiya tizimining signal qiymati quyidagicha o'rnatiladi: Standart past chegara 25 foiz LEL (5 foiz LEL dan 40 foiz LEL gacha so

combustible gas alarm is about 7.5m; the detection radius of the toxic gas alarm is about 1.5m.In addition, because the gas sensors used for combustib

Yonuvchan gaz signalizatsiya tizimining signal qiymati quyidagicha o'rnatiladi: Standart past chegara 25 foiz LEL (5 foiz LEL dan 40 foiz LEL gacha so

Yonuvchan gaz detektori bir yoki bir nechta yonuvchan gaz konsentratsiyasiga javob beradigan detektordir. Yonuvchan gaz detektorlarining ikki turi mav

Yonuvchan gaz detektorlari yonuvchi gaz ma'lumotlarini aniqlashi uchun detektor aniqlash muhiti bilan aloqa qilishi kerak. Shuning uchun atrof-muhitda

Modda va minimal aniqlash kontsentratsiyasi: Acetilen 50ppm Propan 500pmmethan 500pmmethane 500pmmethane 500pmmethane 100pmchlen 1ppmmlen 100pmmlen 10

1.Okean ekspluatatsiyasi platformasi va burg'ulash platformasi 2.Neftni qayta ishlash zavodi3.Neft-kimyo zavodi 4.siqilgan tabiiy gaz va suyultirilgan