Jewelry




Dibuat di Yogyakarta.

Dipasangkan di bulan Juli. ❤

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Kimia (2) : Perhitungan Pembuatan Larutan Kurva Kalibrasi

Assalamu'alaikum dear pembaca yang mau mampir. Hehehe. Kali ini saya mau membagi sedikit materi tentang menghitung pembuatan deret standar atau larutan untuk kurva kalibrasi. Seperti yang diketahui oleh teman-teman semua yang bekerja di laboratorium, kurva kalibrasi ini termasuk salah satu bagian penting dari Validasi dan Verifikasi Metode Analisis. Dengan adanya kurva kalibrasi, suatu metode bisa menentukan besaran nilai konsentrasi suatu sampel. Nah, sekarang kita pelajari dahulu perhitungan pembuatan larutan kurva kalibrasi sebagai berikut: Contoh,  Di dalam suatu laboratorium terdapat larutan standar induk Fe 100 ppm. Menurut metode analisa, akan dibuat kurva kalibrasi Fe dengan konsentrasi 2 ppm, 4 ppm, 6 ppm, 8 ppm dan 10 ppm. Berapa mL larutan induk yang dibutuhkan untuk membuat larutan kurva kalibrasi tersebut?  Jawaban: Standar induk Fe : 100 ppm Asumsi untuk setiap larutan kurva kalibrasi (2,4,6,8,10 ppm) dibuat dalam labu ukur 50mL. Maka, Untuk laru...
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Our Pillow Talk

Before sleep, we always talk about our activity, our happy or sad day and the funny things too! Wkwk.  In this early new year, we talk about our financial and future plan. Also, we talk 'bout our baby name wkwk. When the right time comes, we're gonna name him ' Alif Hasan Mantiri' Alif mean our first child, Hasan mean a good man, and Mantiri my husband name.  And the name of his brother is Bani Husein Mantiri. Bani mean a family, Husein  is an Arabic name which is the diminutive of Hassan, meaning  "good", "handsome" or "beautiful". Both the names are a very simple name with a good and deep meaning.   We pray! 😊
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Saturated Steam

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Introduction : Saturated steam is produced when water is heated to the boiling point and then vaporized with additional heat. If this steam is then further heated above the saturation point, it becomes superheated steam. Saturated steam occurs when steam and water are in equilibrium. Dry steam is saturated steam that has been very slightly superhe Pressure –Temperature Relationship of Water & Steam: If water is heated beyond the boiling point, it vaporizes into steam, or water in the gaseous state. However, not all steam is the same. The properties of steam vary greatly depending on the pressure and temperature to which it is subject. Saturated (dry) steam results when water is heated to the boiling point (sensible heating) then vaporized with additional heat (latent heating).  If this steam is then further heated above the saturation point, it becomes superheated steam (sensible heating). Saturated Steam: As indicated by the black line in the above grap...
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